In most cases, you can easily adapt the supply and drain pipes to accommodate two sinks, using tee fittings, special valves, extension pipes and hoses. You may have to vent each sink separately, though, depending on your local plumbing codes.

How do I connect two sink drains?

0:072:28Double Bowl Sink Drainage Installation - YouTubeYouTubeStart of suggested clipEnd of suggested clipStart by making sure the tailpiece nut has been removed from the sink strainer. Place the tailpieceMoreStart by making sure the tailpiece nut has been removed from the sink strainer. Place the tailpiece washer onto the tailpiece and feed the nut up the pipe.

Can two sinks share the same vent?

Double bowl vanities can share a vent by means of a cross, with arms no greater than 16 from the center of cross. I think another rule applies when using one vent for two sinks, this rule is, both sinks must have the same flood level rims, meaning both sink rims must be at same height off floor.

How many sinks can you have on two drains?

710.1 Maximum Fixture Unit LoadDIAMETER OF PIPE (inches)MAXIMUM NUMBER OF DRAINAGE FIXTURE UNITS (dfu)Total for horizontal branchTotal for stack greater than three branch intervals11/238262421/212429 more rows

Can a P-trap be higher than the drain pipe?

It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. They both work and have seen it many times. But essentially anything below already creates its own p-trap- so using another is redundant.

How many fixtures can be on a 2 vent?

24 fixture units The Plumbing Code states that a vent can handle 24 fixture units.

Should a guest bath have 2 sinks?

According to Helmuth, it depends on the space. “In terms of ROI, two sinks are better than one in an en suite bathroom thats part of a master bedroom or in a Jack and Jill bathroom between two bedrooms. In most other situations, one sink will do.

Are double bathroom sinks worth it?

A vanity with two sinks increases both counter space and storage in your bathroom. A double sink is not for everyone. Squeezing in an extra sink might make the room more crowded and give you less space to move around, which would actually make the resulting design less convenient when you get ready in the morning.

How far below drain should P trap be?

24 inches However, the Universal Plumbing Code stipulates that the total developed length of all tailpieces, arms and fittings connecting the drain to the p-trap must be 24 inches or less.