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That would depend on the fixture load and the pitch of the line and the local codes as far as connecting to the public sewer /storm system

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Q: What is diameter of residential drain pipe?
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Does the Ontario plumbing code allow a main house drain pipe diameter to be increased before a heat recovery pipe and then decreased in diameter before leaving the house?

you cant decrease a pipe diameter you can only increase...


How do you increase drain pipe volume per minute?

Increase pitch or increade piping diameter


What does the 1 and 1 quarter inch mean in describing pop-up drain assembly with overflow and lift rod?

1-1/4" is typically the diameter of a bathroom lavatory drain pipe. 1-1/2" is more commonly the drain pipe size in kitchen sinks.


What is the diameter of a pipe?

The diameter of a pipe is its width across an open end of the pipe. The inside diameter is the width measuring on the inside of the pipe; the outside diameter is the width measuring on the outside.______________________________________________________________________________________________________For a pipe of circular cross section, its nominal diameter is the diameter of the cross section.The inner diameter is the measuring on the inside of the pipeThe outside diameter is the measuring on the outside of the pipe.


How do you find a drain pipe?

Radio Shack "drain pipe tracer".


What is the minimum diameter of a toilet drain pipe?

Normally 3" BUT if your using a sewerage ejector you can go with a 2" grinder pump if properly vented


What is difference between nominal diameter of a pipe and bore of pipe and also defined the nominal diameter of pipe and tube how you differentiate both?

bore of the pipe is the internal diameter of pipe but the nominal diameter of pipe is the dia of a circle which is draw through a point which is situates at exactly half of the thickness of pipe or we can say that (outer dia of pipe- thickness of pipe )=nominal bore of pipe.


How large of a hole to cut out of floor for toilet drain for a second floor addition?

depends on the size of drain piping. Most toilet either have a 3" or 4" drain. The size hole needed would be larger than the outside diameter of the piping. 3" pipe=4" hole / 4" pipe=5" hole


Can a sewage drain pipe be to large?

Yes, a sewage drain pipe can be too large.


What goes up a drain pipe down but not down a drain pipe?

Foul Air


What do a toilet drain look like in basement?

A large black pipe, 3-4 inches diameter. Start by looking directly under the toilet -you will see it. It's the biggest pipe under your house.


Can you hook a water drain pipe to a 3'' sewer pipe and it be safe?

If you are talking about a roof water drain pipe to sewer it is illegal. If you are talking about a sink drain pipe well that is where they all connect to so yea.