Do you need special plumbing for a double sink?

A double vanity can offer a his and hers sink. 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 you rough in a double sink vanity?

Steps To Installing And Attempting A Double Sink Vanity Rough InStep 1: Measure And Prepare. Step 2: Attach The Drain Assembly. Step 3: Measure And Level. Step 4: Cut The Pieces. Step 5: Connect The Tee To The P-Trap. Step 6: Remove The Shut-Off Valves. Step 7: Connect The Faucets And Valves.

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.

Can you change a single sink to a double sink?

Its entirely possible to replace a single sink with a double sink, although it requires a bit of work and money. Many of them also come with cabinets over the sink along with a mirror. Vanities come in a variety of shapes and sizes to fit into any bathroom.

What is the rough in height for a vanity drain?

The rough-in height for a sink drain is 20”-24” and depends on the counter, vanity, or trap. Bathroom sinks can have an 18” rough-in but should not exceed 24”. You can adjust sink drain height and depth during the installation process.

Can you use a sanitary tee for toilet?

You cant use a tee, and you must have a vent between the connection and the toilet. Otherwise when another toilet is flushed, and you are sitting on the toilet, the whoosh may go the other way and give you a wet surprise.

How small can a double sink vanity be?

Double sink vanities, on the other hand, usually measure 60 to 72 inches. There are some 60 to 72 inch vanities that also come in a single sink version.

How do you connect drain pipe to P-trap?

1:576:34How To Install P-Trap And Bathroom Sink Drain PipingYouTube

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.