Plumbing Questions? Ask a Plumbing Expert.
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how toilets are in home or unit? the u.p.c cobe is up to 3 toilets on 3 inch if you have 4 or more you need to increase to 4 inch pipe . the fixture unit load on 3inch pipe is huge amount of household usage ok but if going to have more than that go 4 inch per code ty i am licensed plumber ty
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if a home if you have a comerciacl building needs to have all units counted to adquatly size pipe but basic home 3 toilets 3inch ty
any other needs for plumbing ?? ty
one main reason for making sure rite size pipe is always used..is if you have to large of pipe the flow of material and water is not great enough to keep it cleaned out inside fare ..but this normaly is for smaller inside line 2in or 1&1/2 but if you want to use 4 in pipe you can with in code use it on main no problem just cant go to small such as 4 toilets on large home and use 3 inch pipe is no way ok ty