plumbing vent

How Far Should A Vent Be From A Trap? SIZE OF TRAP (inches) SLOPE (inch per foot) DISTANCE FROM TRAP (feet) 11/21/46 21/48 31/812 41/816 Does plumbing vent go before or after trap? jimbo Plumber Plain and simple, the vent comes AFTER the trap. A vent before the trap does absolutely nothing. The open drain

Does A Sink Need A Vent? Does a sink need a vent? A sink needs a vent because the pressure put on the drain pipe when water flows down the drain pipe needs to equalize. The air needs to escape the drain pipe in order for the sink to vent. The best way to think