Double Sink Drain Pipe Configuration

Here s how to connect the plumbing under your bathroom sink.

Double sink drain pipe configuration.

While these two sink bowls have separate drains both drains hook up to the same waste pipe. Each strainer has a. How to install a double sink drain system double sink drain connection parts. Dual kitchen sink plumbing can be quite tricky and you h.

Horizontal drain pipes connecting the sink drains to the trap must have a minimum slope of 1 4 inch per foot toward the trap. Connect the shut off valves to the hot and cold water supply lines inside the sink cabinet. You will need a 1 5 trap adapter and a 1 5 plastic tubing p trap sometimes called trim trap. In some areas and countries plumbing legalities stipulate that you have to install an airgap on your countertop or sink if you are running a dishwasher.

Attach a shut off valve to a length of copper tubing. The actual drain assembly depends on where the p trap is located with respect to the. This is true whether the waste pipe is centered evenly between the two sinks or whether the pipe is. Repeat to make a second shut off valve assembly.

Purchase pvc drain pipes. Two tail pipes two j tail pipes one t connector one p trap one j waste pipe seven slip nuts and seven washers. The horizontal pipes connect to the trap with a double wye tee which has two y shaped inlets and one outlet. The kit comes with everything you could possibly need for low or high wall drains.

Turn off the water to the sink cabinet and remove the cabinet doors for easier access. Assembling the drain system. The drain will link up to this airgap and then to your sink drains. This makes our bathroom sink drain 1 5 the vent 1 5 the trap arm 1 5 and the p trap 1 5.

After replacing my disposal i needed to change the configuration of the rigid white 1 1 2 pvc piping for the new disposal and double sink configuration with minimal sink to drain height. Tighten the compressing fitting using two adjustable wrenches. Begin by installing a drain strainer assembly in each of the sinks.