Unique Distance From P Trap To Vent

Using Table 10022.

Distance from p trap to vent. If your P-trap is 18 inches from the floor your maximum standpipe length is 18 inches. Trap-to-Vent distances are mandated by local Plumbing Codes and vary depending on Plumbing Code you fall under. Visualizing the pipes inside your wall using a plumbing vent diagram is made easier if you start from where you can see.

Theres a minimum and maximum distance the vent must be from the trap which is based on pipe diameter but Ive never seen a minimum vertical distance. A sanitary tee gives the waste arm a slight downward slope enough for good flow but not enough to create a siphon. MAXIMUM DISTANCE OF FIXTURE TRAP FROM VENT For SI.

9092Venting of fixture drains. When a trap connects to a vertical drain install a tee fitting. If your P-trap is 6 inches from the floor the standpipe can be up to 30 inches long.

Otherwise the vent terminal shall comply with Section 1244b. 1 Except as provided in Sentences 2 and 3 a vent pipe that protects a fixture trap shall be located so that a the developed length of the trap arm is not less than twice the size of the fixture drain b the total fall of the trap arm is not greater than its inside diameter and. According to 2006 International Plumbing Code you should be OK with being 54 away from vent no mater what size your trap is.

For a 1 12 drain from trap to vent. Clothes washer trap not within prescribed distance. A running trap may be used remotely which uses less space at the shower drain.

Youve opened up the cabinets under a sink before to see the P-shaped tube directly underneath the drain right. Never Connect a Trap to a Vertical Drain Like This. Thanks for all the help.