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Im up north. I think I may be overkilling the venting if that way is ok. The only thing is that if he has his WC before his lav wont that pull on the trap water if its so close??

Hi all, its been a while. I think I may be laying out my bathroom groups the hard way. I saw a job today were the plumber was laying out the entire group using a single 3" vent on back end of drain line running through the bathroom. He brought the 3" vent down from roof and 90 under bathroom...

Thanks for all the info. I was asking because I am installing a pex floor system in an addition. I wanted to check the amount of water in the tubing to make sure I have plenty of capacity in the storage tank. This is my third and largest job of this kind. The others have worked out...

Does anyone know how many feet of 1/2" pex does it take to hold 1 gallon of water?? kinda crazy question but cant fig it out.. Thanks Lar

I am using the san tee upright with flow comming into the top ( not horizonal, I wouldnt do that). I normally use a wye with a street 45 to bring the angle up to a 90. This may be fine to use. I was told always to use wyes not san tees. The san tee is a much lower profile than the wye with a...

I Have one tight tie in on the job. They are finishing the basment and have to keep a new 3" soil line up in the joist bay. I normally use a combo wye and eigth bend to tie in, but this will bring me down too low. How much would the inspector frown if I drop one branch into a 3" san. Tee. The...

OK Thank for the info. Not to try and grossly over simplify drain and venting, but to help me better understand it. Given that you use the proper size drain line in (FU) and grade properly. If you are running a horizonal or vertical soil line in residential work, can you tie in all your fixtures...

thank You!

I will be plumbing in one island sink with a disposal attached. The island is only 6 feet horizonally from soil line below floor. If I oversize the drain below to 3" to the soil line will that act like a combo waste and vent. I was going to ask the inspector but didnt know if it was a total no...

Hi all. I was always told never to plumb in a minor fixture under a major fixture(2nd floor toilet over first floor lav) If the first floor lav is seperatly vented up to and above the higest fixture is it ok to do. What exactly do they mean by this?? Thanks for your help. Lar

Hi all. I have a new 3" PVC horizonal soil line running under a new bathroom. The soil line runs 13 Ft and long sweeps down to basment 4" line and wyes in. My question can I Wye in to that 3" line along the way and pick up my bathroom fixtures as I go. 1-toilet, 1-shower, 1- lav, 1- shower...

I was wondering. I have always been told in venting that air should follow water to protect the trap. Why is it I see vents up to the allowable distance after the trap in some cases. Does it still protect well? Is close still good? Lar

Thanks Redwwood. Im going to look tommorow if I can find another bay to get the upper toilet down seperatly. Lar

Redwood thank you for you reply and diagram. To take this a step further, I did intend to vent all other fixtures below the second floor toilet. I will be bringing all other fixture vents up above the flood level of that toilet on the second floor and connect them to the portion of the soil...

Hello all. I have a 2 story residence with one bathroom above the other. both toilets wind up in same line top and bottom. can I discharge both toilets into the vertical soil stack? The stack is 3". The soil stack turns into a vent stack above the top bathroom and goes outthe roof.

Thank you for your input. OK to make sure i understand. I have a fiberglass shower base. I am going to trap below the subloor in basement. About 1.5' down from trap im going to install a 2" wye with a street 45 angled above the centerline of waste pipe. From there im going to come back past the...

I am installing a shower base on first floor with trap below in basement joist. How can you vent if there is no intersecting walls in the same joist line heading towards the soil line? The code states that you cannot run any vent horizonal until you are 6" above the flood level. Thanks for...

Hi, Larry here. Im starting the plumbing in a new addition. Im asking if I can vent a shower stall and toilet with a 2" vent. The shower stall and toilet line up in the same basment joist bay 7.5' apart. I was going to come down the back wall with the vertical 2" dry vent which goes directly...

Has anyone ever installed one of these? What a nightmare. Mount tank up high. connect prebent tubes from tank to toilet (must be dead on). Water supply the same. The thing I dont understand is the 1.5" drain tube from tank to toilet connects in the back of the toilet with just a rubber style...

Third service call this week for over engineered systems. Can someone explain to me why in world do some Co's install hot water coils in air handler units. Here they put in boilers, then boiler mates, then holding tanks for more hot water, then run copper to the water coils in the A/H units...