Sanitary tee on its side for venting. you will see the difference.

Sanitary tee on its side for venting It will be argued that the downward sweep of a San Tee restricts the size of the vent on the invert side of the vent reducing its overall size. Sanitary TEE with Side Inlet Against Code? Reply to Thread Yes, the 2" Outlet is at a 90 degree angle and to the side of the 4" Outlet. But can it be laid on its back with the tee pointing out horizontally -- of course the vent pipe would be 1/4" sloped. ] Cheers, Wayne . Coupling tees – Short Three Different Uses of Sanitary Tees. 5. x 4 in. A sanitary tee should be used Sanitary crosses have not be "code approved" for decades, although from what some have posted here their inspectors still allow them. For that you must use a wye and a st 45 on its back. Cheers, Wayne . When are you permitted to use a Sanitary Tee with a side inlet? I was considering using the 2 inch inlet on a 4x4x4x2 Single Sanitary Tee for the waste line from a shower/tub combo that is to the right of the main stack. This allows wastewater to flow smoothly while permitting proper venting. This seems like it would work, but the vent port on the pump is That sounds good. I chose the wye to avoid any horizontal venting way down there in the slab. (See first pic). The uppermost fitting of the tee is connected into the building's Exception: Where the connection is made with a sanitary tee, the maximum developed length shall be 8 feet (2438 mm). This would avoid a great deal of bends in If you are using a sanitary tee to go from a horizontal vent pipe into a vertical vent the correct orientation is "upside down" from its normal usage. May 26, 2006 #4 tee We use them all the time, as long as the tee is installed vertically with the 4. ) plumbing; drain-waste-vent; Share. The reason the plumbing code does not want the SanT on its back is because it does not direct the flow on down the line. Although commonly used in plumbing systems, sanitary tees are also found in certain complex irrigation systems, where they serve to connect various pipes and allow for efficient water [I believe that 3x3x3x2 sanitary tees with side inlet are available in two different versions, one of which has a straight side inlet, so I am using the phrase "sanitary side inlet" to denote the version with curvature on the side inlet. A Sanitary tee is also used in place of a vent tee when plumbing vent lines. He said that my use of a wye rather than a sanitary tee for the toilet vent (see pic) wasn't ideal since it located the vent further below the toilet trap. Not sure if this is allowed but it seems like the perfect fitting to connect lines at the corner of the room. Another crucial application is venting systems, where a sanitary tee helps connect the drain to the vent pipe. Sanitary tees can be used to join a horizontal line. The wye is connected to a 3in sanitary tee which is in a fernco fitting (bushing?) to tie into the main. Imagine something flowing down the pipe from the roof, the tee would be positioned to direct the flow from the roof to the drain pipe on the side outlet of the tee. Install with the branch opening facing upward or to the side vertically. Messages 11 Reaction score 0 You can vent your trap arm by hitting the side entry of a san-tee, In Ontario Canada, to code you can’t use AAVs unless the building is under renovation and normal venting is not an option. if not i can get one tomorrow. And if he is giving you a pass on your venting for the sink, lavatory, and laundry you are already money ahead. When it comes to cost analysis sanitary tee vs wye fittings, it’s important to consider the prices of sanitary tee fittings and wye fittings, as well as the long-term cost considerations in such places as french drains. 1. The fitting resembles a normal tee fitting; the sanitary tee, however, when viewed from the side will have a definite downward sweep to the center inlet. Many appreciate its ease of installation and strong build quality, although some noted challenges in finding the correct fittings and expressed concerns about pricing. Piping from other bathroom on second floor will have (2) 2" drain pipes coming into a 2 x 2 x 2 wye, Two-sink vanity drain will connect to other side of this wye. 900-1. Option 1: So I read on another plumbing site that I could install a Sanitary Tee between the P-Trap and the pump basin, with the top Tee going to the AAV and the bottom flowing into the basin. The first was a 2 x 1-1/2 x 2 san tee on it's side, with the branch going toward the vent stack and both ends of the run picking up vents from below. I am in process of installing a double vanity. The curve of the tee should go from the horizontal direction curving up toward the It's my understanding that a Vent Tee can be used on its back to dry vent a horizontal branch drain. x 1-1/2 in. To make it more clear, take the tee in your first picture and turn it so the side outlet is against the For example, to join waste arms to vent stacks or vertical risers. You will have to purchase a reducer bushing number 1. In some cases, a sanitary tee can also be used in place of a vent tee when plumbing vent lines. Look at one of the three bye two santary tees you Also, horizontal tee or sanitary tee connections are specifically banned by the code at Table 706. Can sanitary tee be used horizontally? Sanitary tees may be used for horizontal drainage flow through the run of the tee where the branch of the tee is for venting only and is oriented within 45 degrees (0. Sanitary crosses – A 4-way sanitary tee allowing perpendicular pipes in all directions. After looking around a bit I have seen how to handle the drains with venting when the stack is in the same wall. Here is what surprised me. (is the sanitary tee on it's back ok as a vent?) This 3in line does a couple 1/8 bends to avoid a footing and then ties into a wye at the main. Improve this question. Can You Use A Sanitary Tee Vertically? Yes, you can use a sanitary tee vertically. They have a professional in that department ,he knows his stuff. 5" vent The purple marks. Messages 33,613 Reaction score 1,051 Points 113 Location Cave Creek, Arizona Website www. when viewed from the side it has a definite downward sweep to the center inlet to assist the liquid in its travels toward a drain pipe. Reply reply Unless you get a very lenient inspector he is not going to allow that 3" sanitary tee on its back for your toilet connection. We call them "combos' " as in combination fitting. Above this Sanitary T is the 4 inch vent that goes to the roof. The rule of thumb is you cannot lay a sanitary tee on its side or back and you cannot install a combo in the vertical position. When installing sanitary tees, do not place them with the backside up and the Sanitary tee laid horizontally are regularly used to connect multiple individual vents together to a stack, and if calculations are correct, I don't see an issue with two vent stacks being connected to a properly sized vent header. Using them like this is improper and unusual. Sanitary Tee with Side Inlet Considering suggestions below from Wayne and Reach4, here is the third proposal of the full bathroom if the 1-1/2'' drain pipe size is enlarged to 2''. A sanitary tee is the trap on the right is for a shower unit on the second floor. TheEplumber. Venting needs to be done after the 2-inch trap U/J bend before the flow turns down. The branch drain descends from the lower leg, the branch He raised one issue that kinda throws cold water on some of what I think I've learned here. Price Of Sanitary Tee Fittings . But the problem with your diagram is that for wet venting, you need to join the lavs to the WC before either one joins the building drain. Reply reply Fallaciousmen • This isn’t “right” but will work just fine . This down-swept feature molded into the tee assists the liquid in its travels Re: sanitary tee; Author: LemonPlumber (FL) We do and are still currently using a sanitary on it back ,any where that is considered a dry vent section of the dwv. BTW, top of slab is So a 3x3x3x2 sanitary tee with drainage pattern side inlet is a good option for the OP, if coming in at 90 degrees apart instead of 45 degrees apart works. May also be used in the venting side of the DWV system to attach two vents to a vertical You’ll often find sanitary tees connecting the P-trap under a sink to the drain tailpiece and vent line. [0-45 degrees off true vertical all count as vertical for Put the shower drain pipe into one side of the cross and the sink drain pipe into the other side. A sanitary combo is a combination Wye & 1/8 bend already made in one fitting. I know generally you'd use a tee since it's a horizontal to vertical joint, but I've also come across advice that a wye is better directly under a flange because it helps it prevent horizontal venting below the foundation slab. Reducing tees are also called unequal tees because they have three outlets and one inlet. The horizontal drain is on the second floor starting with the toilet, dry vent, then 2 fixtures downstream on wyes then down to basement (septic). 79 rad) of the vertical. Then replace the 90 at the bottom with a long sweep tee while adding two more long sweep tees for three in a row. Before the cleanout, The vent also connects to the sanitary tee and runs horizontally the opposite direction about 4’ before it turns up and runs vertically through the roof. The delayed effective date of this Rule is January 1 , 2021. In a typical installation, the trap arm of, say, a lavatory empties into the middle leg of a sanitary tee. There are two uses for a sanitary tee; one as a drain from horizontal to vertical, as with a side-arm, or on its back, with the tee leg pointed vertical, for a vent. The Y on its back with a street 1/8 bend turned horizontal would have been easier to use. Anecdotally, in diagrams I’ve seen both wyes and sanitary tees in a horizontal position. Awesome answers team! Thank you very much. Can You Turn A Sanitary Tee On Its Side? Yes, a sanitary tee can be turned on its side to connect horizontal drains to vertical drains in a drainage system. The sanitary tee needs to be the same size as the main stack it’s connected to. A sanitary tee would be improper. 2 Fixture Connections Fixtures other than water closets shall be located not greater than 12 feet (3657 mm) in developed length So what you need is a 4x2 combo fitting with a 2x2x1-1/2" sanitary tee on top of it facing horizontally in the wall, and then use a 1-1/2" long sweep 90 to stub the drain out of the wall where your lavatory will be. In particular--11. This means that there will be two outlets on one side of your reducing tee and one outlet on another side. Impossible to short the trap arm with pvc or abs fittings. Depending on how an inspector reads the code, this can be done with a Sanitary tee on its back. the nomenclature DWV stands for Drain,Waste,vent And yes, A san tee,or as you wish, Vent tee. - Any fittings I didn't point out are just regular tees or short elbows for venting. The PVC DWV 90° sanitary tee with right and left inlets features all hub connections is used to change the direction of flow. – Ecnerwal. As shown above, the branch connection of a sanitary tee lying on its back can be used for a dry vent. hj Master Plumber. iplumbforu • I know all codes are different depending on where you live but I would suggest putting the vent on the downstream side of your water closet fitting. Exception: Where the connection is made with a sanitary tee, the maximum developed length shall be 8 feet (2438 mm). When drain water meets a combination fitting or a 'Y' fitting in conjunction with a 45* bend the contents are not only dropped into the main line but are, with the benefit of force of gravity, driven into and in the direction of the flow. It is vertical, so my understanding is a sanitary tee is allowed. Does anyone have any suggestions to make this proper? or do you think I will have any problems with it. This can lead I'm also confused by side inlet fittings. It helps to maintain the proper flow. I don't know that this V vent would be needed presuming the lav was vented enough. Is there an advantage or disadvantage to using a sanitary tee over a wye + 45 vertically for drain/venting purposes? Do wye + 45 fitting have any purpose in a stack application? I checked the forums and have never seen Looking back at some pictures from when I started my basement bathroom project with the help of a friend I just noticed that we used a sanitary tee on its side. Breplum Licensed plumbing When using sanitary tees they may not be installed on its back with the side opening in a vertical position. the trap that goes thru the wall on the right goes up If the 3" is a vent and not a drain line, then it would serve as the sink vent- 1 1/2" is not needed. The Statutory authority for Rule-making is G. Overall, the product meets expectations for functionality, with positive feedback on its Which side does it back up on? Is everything pitched properly? In MA it’s supposed to be 1/4” per foot for 2” pipe although you can usually do as little as 1/8” per foot and be fine. This in turn can lead to waste solids being collecting on the upstream side and The part I am having difficulty with is where the sink drain is entering one side of the Double Sanitary Tee, and the toilet vent on the other side. Steve 2) By venting up from the sink drain, I was hoping I could get away using a WYE and 1/8 bend instead of the sanitary tee. Re: Sanitary tee on the horizontal; Author: LemonPlumber (FL) The big box . My only question is whether it's allow with the wye on its side or not. Per the code book "A single or double sanitary T fitting shall not be used in a nominally horizontal soil-or-waste pipe, except that a single sanitary T fitting may be used to connect a vent pipe. Reply I'm slightly confused on the use of sanitary tees in VENTING. The NIBCO 4 in. I think I have another 2x2x1 1/2 long sweep combo I could use instead of the tee. Then you need a (possibly street) 45 at the top of the san-tee for your vent to turn to true vertical. This is a pic I found. So for example, I like using low heels for my toilets, but can't really understand You have 2 ways to use a sanitary tee. But what I’m unclear on is whether you can use one to go from a vertical vent to a horizontal drain. When using sanitary tees they may not be installed on its back with the side opening in a vertical position. But it's better than an S trap and like he said you gotta do what you gotta do. Then cap off the top of the cross with a cleanout fitting, and connect the bottom into the waste stack. The reason is that there are I've come across some conflicting info about having sanitary tees or wyes vertically installed under toilets where a wet vent joins in. One other thought on cabling this drain, you could A sanitary tee can not lay on its side, back. 625R (sold separately) along with it to put in the end that you need to reduce down to that copper side. Sanitary tees should always be used in vertical orientation. In general I've never used a side inlet fitting and have to admit I don't really understand what they're for. Sanitary tee. A sanitary tee can be installed on its back for venting applications in sanitary drainage. AAVs only allow air to be pulled into the system You can use 45's, you can use 90's, you can use anything except Hello, This Flexable Tee will go on copper to PVC, but not alone. 1 and Sections P3005. The reason is that the waste will hit the bottom of the horizontal pipe and splash back upstream in the horizontal pipe. If you're in Seattle/King Co metro area it will fail if its not in the correct orientation of air flowing out or condensate dripping down. And I am not sure what you are calling a closet bend where it turns down, but if it is anything other than a conventional elbow, and in that location it does not have to be a long radius one, it might also be the wrong Tee where the drain goes down and the vent goes up. So I thought a sanitary tee was supposed to be used for venting here. Please keep in mind that the reducer does have a small lip on it so it may stick out just a little bit from the Tee. The trap arms are not too short. On that job is when I learned that while facing the fitting, if the side inlet is on the right, then its a RH side inlet. The toilet is vented by a sanitary tee with a 2 in branch at a 45degree angle to avoid a joist. StayOnTarget StayOnTarget. Good Luck. The sanitary tee will sit on the straight drain pipe going down through the bottom of the cabinet, it will accept the pipe coming from the trap. I use them if pitch is an issue and tie in a lavy or tub/shower into the back of the fitting to rinse the line. My question is: can I use a 3" sanitary tee on In my neck of the woods we don't use san tees on their back as vents or drains On a side note- please review our board rules. thats why its so hard to find. Sanitary tees can also be Hey! So I know you never put a sanitary tee in a horizontal position to transition from a vertical drain to a horizontal drain. A sanitary tee should not be used to connect two vertical drains at an angle. On the other, there was a 3" combo directly below the VTR. The curve of the tee should go from the horizontal direction Doing a bathroom remodel where I am changing to a double sink vanity. Won't pass inspection. You have no concerns about the sanitary tee causing issues when running something through the cleanout and trying to have it go down the drain vs up the vent to the roof? The name “sanitary tee” is derived from its primary purpose of maintaining sanitary conditions within plumbing systems by preventing contamination from waste materials. heel or side inlets or increasers shall be installed in accordance with Table P3005. You can use a combo at the stack connection if you vent it as shown, but if the 3" is a vent stack and you remove the 1. . Hi, I'm a new member here and have been browsing the forum trying to get an answer to this question, but it seems like half the threads say it is ok to do this and half say it is not ok. None of the side inlets seem to have any sweep to them, so I don't know where you use them other than venting. You cannot use a sanitary tee on its back looking up with a drain coming into the middle connection. 3) A sanitary combo is a combination Wye & 1/8 bend already made in one fitting. 0 Reply. Your drawing looks like you have SANITARY TEES laying on their sides. What makes a tee “sanitary”? A sanitary tee has some key features that suit drain/waste applications. And the tee should be pointed in the direction of flow. com. The san-tee on its side will receive the trap arm from the laundry tub. When installing sanitary tees, do not place them with the backside up and the side open because this will cause waste to splash upstream when it When using sanitary tees they may not be installed on its back with the side opening in a vertical position. As to a sanitary tee on its back, definitely not. I've heard and read how sanitary tees shouldn't receive flow from above. I am not sure if there is a problem with it as this is traditionally used in venting systems. Victor Kernes New Member. Tuttles Revenge In the Trades. We used a 3" one to tie the toilet into the existing 3" PVC in the concrete that goes to a sewage ejector pit. Open comment sort options. I'm guessing the sanitary cross is the fitting I want to use here, but I thought I'd check with folks that know more about it. " The vertical continues as a vent through the roof. But when looking at diagrams and photos the majority show the installation of a Sanitary Tee on its back for connecting 803. I am not a plumber. Sort by: Best. They are used in gravity-fed waste elimination systems and are for Non-Pressure systems where temperatures will not exceed 140°F. All the fixtures in the drawing have a branch vent. There is a stud directly next to this vertical section of pipe so a sanitry tee might be easiest without shifting the veritcal pipe over a smidge. Isn't the "waste backflows" callout on the wrong side? Reply Ulpian02 • Additional comment actions. I've heard they cannot be used at all for venting and I've heard they can only be used for horizontal to vertical and not horizontal to horizontal applications. But when looking at diagrams and photos of horizontal branch drains, the majority show the installation of a Sanitary Tee Hi. 917. match that on this side and they will be equal About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright the trap on the right is for a shower unit on the second floor. Bottom of the double sanitary tee goes out to septic and top goes out the root to vent. Or do I need to put the sanitary tee on its side and then run a closet el into it? 2nd floor 3 bathrooms, 3 toilets, 3 showers, 3 lav need wet vent 3" tee horizontal to vertical for water closet the upstream side 2"-lav&Shower. If you use a sanitary tee with a side inlet open in horizontal orientation, the waste falling from the top will splash through the opening. all of your bends should be long-sweeps. Reducing tees – Have different pipe sizes on each inlet/outlet allowing transitions in line size. A sanitary tee should be used when connecting a horizontal run, such as a waste arm to a vent stack or vertical riser. illegal to lay sanitary tee on its side. If while facing the fitting I'd take a second look though at the whole set up. Or move the WC to the other side of the building Can You Use A Sanitary Tee On Its Back For Venting? Conclusion; Cost Comparison. The Wye tee on its side is for the laundry tub, not a cleanout. Michael Bender New Member. You need a It's my understanding that a Vent Tee can be used on its back to dry vent a horizontal branch drain. Re: sanitary tee on its back; Author: e-plumber (NY) NYS Plumbing Code which recently, (2002) adopted language from the International Plumbing Code, (IPC) does not mention anywhere in the venting section that a wye must be used to connect a vent to a horizontal drain to vent a trap or water closet bend. 1 through P3005. This down-swept feature molded into the tee assists the liquid in its travels Use double sanitary tee patterns to receive discharge from back-to-back fixtures or pumps. Ripping the wall open to add a venting pipe would be more work Reply But the sanitary tee on its back that is venting the horizontal line should be a wye, even though it is the fitting for the vent it needs to be treated as a drainage fitting because it is below the flood line of the sink it will be servicing, so since the I keep seeing people use a sanitary Tee or a Wye? The vent will never be used as anything but a vent due to being a one story home. If your inspector misinterprets the code, IMHO, they will say you need to use a wye instead of a Sanitary tee. Messages 1,188 Reaction score 13 Points 38 Location Florida. on its back, is legal for a vent. IRC seems to say yes, according to the attached table. Sponsor Paid Advertisement. Is there a problem with the sanitary tee vent too? Re: Sanitary Tee upside down for vent? Author: vic (CA) IF you have no other vents in the house and this is the only vent going through the roof the last t (the upper most one before exiting the roof) needs to be a 3" x 2" x 2" T and not a 2" with an increaser/reducer after it. When used to connect a vent, however, the requirements for venting as Incorrect use of sanitary tee fittings in drainage systems is a common problem. So for example, you could reroute the 4" horizontal drain to pass on the right side of the WC (since you said there's no elevation for two layers of drains). Not my exact my application, as my drain is for a shower not a toilet, but matches what I was hoping to use a sanitary tee for (vertical vent to attic/roof). He raised one issue that kinda throws cold water on some of what I think I've learned here. The reason to form a long radius bend to insure the waste is directed in the downstream direction as it enters the horizontal run. The vent also connects to the sanitary tee and runs horizontally the opposite direction about 4’ before it turns up and runs vertically through the roof. asked Mar 10, 2018 at 17:19. Let's see what thoughts people have on that. 22. Although it has been used in the past to connect back-to-back fixture drains, some current codes—including the 2006 Uniform Plumbing Code in the US—prohibit the use of this fitting for that purpose and require a double luminaire fitting to minimize wastewater from one Example (sanitary) tee: Example wye: Example long sweep tee: (Note - a long sweep seems to be equivalent to a wye with an additional 45 bend fitting attached. I've been a DIY'r for many years, and typically call in trades when I know I'll be in over my head. Condensate Drain Lines. The purpose for why this is not good is that when the waste hits the bottom of the horizontal pipe it will splash back upstream in the horizontal pipe. You have one plus in your design for sure with the clean out behind everything so you can fix a clog if all Sanitary tap tees – Have an extra side outlet making a dual 90-degree bend. Messages 4,459 Reaction score 1,572 Points 113. Follow edited Oct 23, 2018 at 11:43. Is it possible to use a sanitary tee in a waste line on its side? I'm doing this to change directions/tap into an existing waste line. At the time, we did not know about the a proper use of a sanitary tee. Q&A. The drain connection of a blowout type fixture or a kitchen sink served by a common vent may not be by means of a double sanitary tee fitting. Reply reply ZookeepergameSuper33 • They are tee wyes Reply reply CanIgetaWTF • Please differentiate tee wye from sanitary tees Should the fitting directly under the toilet be a long sweep combo wye or just a sanitary tee? Share Add a Comment. You are not allowed to reduce in size in the direction of Yes, a sanitary tee can be turned on its side to connect horizontal drains to vertical drains in a drainage system. The toilets in the hall bath and master bath are back to back and drain into a 4" cast iron double sanitary tee that has a 2" inlet on one side that the master shower and hall tub/shower connected together and drained into. 1 minute ago; Add Customers say the PVC sanitary tee is a reliable and high-quality product that performs well for various plumbing applications. It helps maintain the proper flow. Your mock-ups don't show that. This would be the easiest and shortest run from the shower The sanitary tee needs to be oriented with the curved portion on the horizontal and the curve going down. We welcome posts about "new tool day", estate sale/car boot sale finds, "what is this" tool, advice about the best tool for a job, homemade tools, 3D printed accessories, toolbox/shop tours. However in this case I'd have a hard time seeing a reason to cable upstream. To illustrate, I have attached a drawing of our piping with the two dry vent sanitary tees circled in red For example, a sanitary tee with the run horizontal and the branch oriented vertically up (or 45° to either side of true vertical) can serve as the dry vent connection for a dry vent", (the table referenced is 706. Can you plumb a toilet where the Tee is upside down directly under the toilet where the waste runs in one direction some distance before it turns down and the vent runs the other direction some distance before it turns upwards? I would think so, but I have never seen it done and “testbooks It would be virtually impossible to plumb much of anything without being able to tap into a horizontal branch line with a wye, at least with wye rolled up 90 degrees from the horizontal. By code 2 vents can tie together as long as you are 6" above the flood rim of the fixture(s) being served. Under IPC you can use a sanitary tee on its back for venting as an alternative to a combo, but again, that vent at the wall will not be needed. Wye is the difference. Jfomtn New Member. It looks like the sanitary tee is 2” while the drain line is 1. That fashion. This sub is for tool enthusiasts worldwide to talk about tools, professionals and hobbyists alike. is the way your turn the tee It's allowed in Canada for venting only. Can I Use A Sanitary Tee For The Sink? No. Apr 12, 2014 #2 Actually got through to plumber I found it odd in NJ that the sani tee on its back is a no go, but this is legal. When using a sanitary tee, don’t lay it on its back with a side opening because this will result in an upstream splash of waste which creates clogging inside the line. Sanitary tees are commonly found in bathroom and Can You Lay a Sanitary Tee at its Back? Never lay the sanitary tee on its back with its side opening; it will create a big issue. (See 2nd pic). If your pitch is fine, which it looks like it is based on The vent for your shower is flat and dry. I want to say thank you for this insight and I will correct it. Venting a double vanity - converting from single See attached picture. Apr 27, And most obviously there is improper use of a sanitary tee and that needs to be rectified. Top. Oct 24, 2020 #12 Thank you very much for your time and suggestions. Sanitary Tee with Side Inlet Considering suggestions below from Wayne and Reach4, here is the third proposal of the full bathroom if the 1 A horizontal sanitary tee, with the branch in the vertical position and not receiving waste from fixtures above can most certainly be used for venting and both the IPC and the UPC even show pictorial examples of it being used in. Thanks in advance! Back venting (also known as continuous venting) is the dry-venting method shown in “Back Venting (Continuous Venting)”, and it’s acceptable to even the strictest codes. This in turn can lead to waste solids being collecting on the upstream side and potentially causing a clog in the Moreover, if the drain exiting the LT90 will be parallel to the trap arm entering the san-tee, you can rotate the san-tee 45 degrees around the side entry to reduce the height further. Hereof,can you use a sanitary tee on its back? When using sanitary tees they may not be installed on its back with the side opening in a vertical position. the only difference between using a san tee as a waste tee or a venting tee. Creates a convenient junction point. No combo can be vertical and tied into due to potential venting issues and the way the water washes away on a vertical combo. A sanitary Tee may not be installed on its back with the side opening in a vertical position. Any thoughts would be greatly appreciated! Sani tee on its side, dishwasher connection after traps, no venting (S-trap, in this case SS-trap) trap arms too short, short sweep 90 below flood level, and not a code issue but no clean out (maybe the drain cleaners are assholes) Reply bakejosh • Additional comment actions. When you lay the sanitary tee on its back, it will cause an upstream splash of waste hitting the horizontal pipe bottom. 5, nor 45 degrees as there is no direction of flow. It has a curved center section rather than a straight 90-degree junction. 4. Although I am a bit unsure how to Installed in a vertical ABS DWV drainage system to increase the pipe size and allow for a smooth horizontal transition from a horizontal branch line. One is vertical like your lavatory sink. Used to connect branch lines in tight spaces. I can't connect them with one of 3 inch x 3 inch x 3 inch PVC Sewer Sanitary Tee - H A sanitary tee allows liquids to drain while also allowing the plumbing system to vent. See the drawing below for this proposal and pic for the sanitary tee with side inlet. Just plugging the floor drain will NOT remove the objection to it. Which way does a sanitary tee go? 1 Answer. First time post in r\plumbing for me. Apr 29, 2024. the trap that goes thru the wall on the right goes up See the drawing below for this proposal and pic for the sanitary tee with side inlet. A sanitary tee can be thought of the same same,sweep-wise,as a short pattern 90. x 2 in. Is this a correct way of venting? If so, what vent type would this be considered? I thought it resembled a "Common Vent", but I am not sure if the toilet vent side is considered wet when the sink 3 in. The photo above A sanitary tee is a plumbing fixture that allows liquids to drain while also allowing the plumbing system to vent. It will not just cause a problem for venting but also cause clogging in the pipeline. This allows air to flow freely through the plumbing system, essential for proper drainage and preventing sewer gases from entering the home. Sanitary tee fittings are known If you are venting a horizontal run, in the middle of the horizontal part, you should use a sweep-tee or a wye-and-an-eighth combination. JohnjH2o1 Plumbing Contractor for 49 years. 143-136; 143-138. The top of your A tee on its back with a cleanout would be much better. All others must sweep in direction of flow with proper drainage fittings. I would have used a side inlet sanitary tee for the toilet One of the most often noted code violatons is the improper placement of Sanitary Tee's, Wye & 1/8 Bends and Combo's. Also at least code where I am a tee on its back can be used for a vent but only a vent not something like a wet vent. It will have a 45 attached to it so that it comes straight out of the drywall. What may be objectionable to some is the wet vent coming in line with the toilet and the toilet feeding from above. Tee wey ( or combo as most call it) can In your 4th photo you have the sanitary tee oriented improperly ( horizontally instead of vertically) but in your 6th photo you have it correct ( but you have an incorrect fitting on the top). Its a twin 90. Huh I always wondered why Wye and Sanitary tees were both a thing instead of one or the other, TIL not that I ever really do vents and drains Reply Should be a proper venting pipe that goes outside through your roof. Reply reply JodaMythed • I see it all the time for older back to back lavs, never seen an issue with them tbh. natalie559 New Member. It may not be used in a horizontal position to replace a wye or combination wye and eighth bend in drainage. How do I go about adding a second drain Sanitary tees may only be used on drainage piping when transitioning from horizontal (1/4” per foot) to vertical. 15572 posts · Joined 2010 So I would come off the 3" wet vent with a 3" sanitary tee and keep it as a 3" line up to the cleanout. and from the differing answers I found, none of them gave a clue as to why this can't be done, other than to say it can't be done. (another project for another day) two toilets connect into the main stack with a combination wye on its side. S. Just roll is at 45 degrees towards the existing vent line, add a street 45, and you will have a proper vent for the toilet. YES, Charlotte makes a VENT tee, which no one uses. Its entirely possible that the inspector won't care, or won't About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The typical application for side inlet fittings is horizontal to vertical changes in direction involving side inlet sanitary tees, side inlet elbows and side inlet wyes. Commented Jan 29, 2023 at 23:04. Note I used the term "vertical" incorrectly in my sketch, it should be horizontal but i mean the vent going upward there from the wye which is A Tee-Wye is a wye you would stuff a street 45 into in order to have a tee fitting. I don’t know squat about venting but common sense suggest the vent should connect to A sanitary tee is a plumbing fixture that allows liquids to drain while also allowing the plumbing system to vent. If a wye It is appropriate, however, to turn the directional sweep upwards for venting purposes, but not under ground and below grade. Sorry for the confusion. The tee would be positioned so the curve being down ( or upside down). In this sanitary tee orientation, the Sanitary tees can also be used as vent tees. you will see the difference. For example, to join waste arms to vent stacks or vertical risers. There is room there in floor plate to drill a 2 1/2" hole for drain, and then I could install 4" sanitary tee on its back for dry vent. But there may be a more pressing problem if that fitting just visible to the right of the tee is also rising before it gets to the trap. That is then called a drain. Participants may not solicit users for any project or purpose external to the Re: Sanitary tee on the horizontal; Author: LemonPlumber (FL) The big box . But you have a few problems here. Bathroom and Kitchen Drains . 5,635 20 20 gold - The 3" toilet sanitary tee fitting has a 2" inlet on the side for the shared shower/sink drain. Well maybe it is hard to know with the plumbing that was distorted at your home. Edit. Old. Controversial. I don’t know squat about venting The double sanitary tee differs from a standard cross in that two of the ports have curved entrances. Except as hereinafter provided, the size of indirect waste piping shall be in accor- dance with other sections of this code applicable to drainage and vent piping. Last edited by a moderator: May 14, 2021. The only thing I am pretty confident of is that D is a sanitary tee not used properly. It has a curved center section with a connection usually leading to a My kitchen sink trap drains into a 2” vertical line which connects to a sanitary tee below the floor and runs horizontally. No vent from indirect waste piping shall combine with a sewer-connected vent, but shall extend sepa- rately to the outside air. A sanitary tee is designed to connect horizontal drains to vertical drains and allows for smoother liquid flow. Can a sannitary tee be used for venting?? If so are there any There was a 4" san tee with the side inlet that I needed to replace among other things. based on the pattern of flow created by the Its not a sanitary tee. Trying to fit all of those pieces together might be a bit of a challenge but it The purple marks. boattm48; Apr 25, 2024; Toilet Forum discussions; Replies 1 Views 396. PVC DWV 90° sanitary tee is used in residential and commercial drain, waste and vent systems. Best. Messages 24 Reaction score 1 Points 3 D is a sanitary tee on its side for drainage and needs to be something else. The simplest venting method is to give each fixture drain its own dry vent Atmospheric vent just means venting outside to open air, at least one atmospheric vent required per stack depending on location. A sanitary tee is designed to connect horizontal drains to vertical drains and allows for smoother liquid the existing vertical pipe is centered in the wall, so a sanitary tee would work great if this type of tee is permissible. Reactions: Tuttles Revenge. 3, FITTINGS FOR CHANGE OF DIRECTION, except for when the branch of the tee is used for venting. I am mainly marking up your photo for potential comments. And it must be out side a 45% from the horizontal,which means you could roll it from one side to another and still be inside the code for it's application. If there isn't much slope on the pipe I'd try really hard to avoid a regular sanitary tee. And I’d add a tee just below each toilet to tee off to the current double tee for venting of each toilet. Can the fitting be a sanitary tee, The question is about using a sanitary tee "on its back" for a vertical vent into a horizontal drain. StayOnTarget . O-yea. I have a single drain pipe that was used for a single vanity sink. Nice drawing. But how about from the side? The image here has the standpipe to the left, and to the right in the next stud cavity is the drain with vent. I’d cap the open end with a cleanout cap. Many codes will not allow for change in direction on vents. New. Connecting a 1. terrylove. Look at one of the three bye two santary tees you have installed on the vertical. Thank you . I know a sanitary tee can be laid on its back with the "tee" pointing vertically. Messages 11 Reaction score 0 Points 1 Location Raleigh, NC. You can't use a sanitary tee on its side like that. Must be a sanitary tee. 3 Pipe Size and Length. such as a waste arm to a vent stack or vertical riser. You can connect a toilet to a combo, just not in the vertical position. If your inspector misinterprets the code, IMHO, they will say you need to use a wye instead of a Sanitary Venting Systems and Sanitary Tees. If you're on a slab, increase pipe diamater to 2" minmum pipe size under slab. 5”. San tee/ tee wye. If you are tieing back into your main vent stack, chances are it already vents outside above your roof. Messages 19 Reaction score 0 Points 0 Location FL. everyone uses DWV tees. 5in vent (vertical) to a 2in drain (horizontal sloping at 1/4in per foot). The room for airflow will ensure the liquid flow is normal. The inlet of the run was bushed down to 2", again picking up vents from below. IF so All, Is it permissible to use a sanitary tee on it's back on a horizontal drain if it is solely for a dry vent only ( no waste ). If you are using a sanitary tee to go from a horizontal vent pipe into a vertical vent the correct orientation is “upside down” from its normal usage. 2" pipe from this wye will then connect to 4 x 4 x 2 wye downstream from sanitary I understand it is fine for venting, but I can see how (1) it cannot be relied upon up in a vent stack that may need to be snaked and (2) it was "unsanitary" where I was going to put it. However this seems fairly straight forward but I'd appreciate your thoughts on the best approach for this setup. If you are venting a horizontal run where it switches from horizontal to vertical you can Toilet installed on other side looks and works great! Last edited by a moderator: May 25, 2020. Regards, Tom Where this connection is by means of a sanitary tee fitting with a side inlet, the centerline of the side inlet opening may not be below the centerline of the larger opening. I've only found sanitary tees mentioned in drain and waste piping but not venting. I don’t know squat about venting but common sense suggest the vent should connect to Yes, a sanitary tee can be turned on its side to connect horizontal drains to vertical drains in a drainage system. Thanks in advance for any help! If so, would I use a sanitary tee laying on its side? Thanks a lot! Save Share Reply Quote Like. PVC DWV 90-Degree Hub x Hub Elbow Fitting with Side Inlet PVC fittings are for drain, waste and vent purposes. tyrbjczqm mdfnz nxmww sitrz bwkx yxwwh bmqko plhgd qrfzfu gzjpde