New construction uses a 45° double wye fitting for back-to-back toilet installations. The "Y" connector directs the water downward, eliminating direct flow into the opposite waste line.
Can you run two toilets on the same line?
In answer to the question, yes, two toilets can share the same drain line but not the same drain hole.
Can two toilets share one vent?
The waste lines can usually be tied into the same stack if the house has more than one toilet. They may need their own stack if they are on opposite sides. Two vent openings on the roof are needed since the stacks must be vented.
How do you vent two toilets?
https://www.youtube.com/watch?v=AEJ9tJTs7ro
How do you install a back to back toilet?
https://www.youtube.com/watch?v=DUn9ybDr_O0
How many toilets can you have on one soil pipe?
The pipe diameter will accommodate flows of 6 litres/sec. This being the amount of water used by modern cistern, theoretically 60 toilets flushing per minute would be ok.7 Aug 2015
How many toilets can go on a 3 line?
As a horizontal branch 3" is good for 20 DFU's or 4 bathroom groups.
How many toilets can 1 stack?
Requires two vertical stacks with horizontal connections from both sides, or one stack if toilets arranged over two floors, 32 total.7 Aug 2015
How many toilets can you have on one vent?
Under the Uniform Plumbing Code, a 2" vent can handle 24 fixture units(F.U). In a residence, a lavatory sink= 1.0 F.U., bathtub/shower= 2.0 F.U. and a toilet 1.6 gallon or less= 3.0 F.U, greater than 1.6 gallon= 4.0 F.U. So, 3-lav sinks, 3-1.6 toilets and 3-tubs/showers could be on one 2" vent.Under the Uniform Plumbing Code, a 2" vent can handle 24 fixture unitsfixture unitsIn plumbing, a Fixture Unit (FU) or Drain Fixture Unit (DFU) is "a unit of measure, based on the rate of discharge, time of operation and frequency of use of a fixture, that expresses the hydraulic load imposed by that fixture on the sanitary plumbing installation".https://en.wikipedia.org › wiki › Fixture_unitFixture unit - Wikipedia(F.U). In a residence, a lavatory sink= 1.0 F.U., bathtub/shower= 2.0 F.U. and a toilet 1.6 gallon or less= 3.0 F.U, greater than 1.6 gallon= 4.0 F.U. So, 3-lav sinks, 3-1.6 toilets and 3-tubs/showers could be on one 2" vent.
Does each toilet need its own vent?
And the answer is yes, your toilet has to have a vent. For more information on the great importance of plumbing vents, read our plumbing vent article here. And the size of this vent pipe depends on your local plumbing code. Your toilet's individual vent needs to be 2”.