Probably not a good idea. Clothes washing machines generally discharge a large volume of water at a high rate, the drain apparatus is built with a standpipe (either inside the wall or outside where you can see it) to accommodate the volume.

Can you use the same waste pipe for washing machine and dishwasher?

Connection types for dishwashers and washing machines



It’s not surprising that running waste from your dishwasher and washing machine in the same waste pipe can mean less unsightly pipes leaving your property.

Can a washer and kitchen sink share a drain?





You can connect both a washing machine and a sink to the same drain. Examine the sewer pipe inlet located nearest the sink and washing machine. This is usually a free-standing pipe with an open end. If there is not a tee connection for the sink inlet, one will need to be installed.

Can you plumb a washing machine and dishwasher together?

A dishwasher normally just has a cold water supply. The mini stop valve that connects the supply pipe to the machine’s hose lets you isolate the machine without turning off your water. Connect the waste hose to a washing machine trap beneath the sink or use a standpipe with a P-trap.

Can washing machine drain into dishwasher?

Unlike a sink, a washing machine has a pump that ejects water under positive pressure. If something stops the water from getting to the sewer, it may have enough momentum to back up into a nearby drain, such as that for the dishwasher.

How do you connect a dishwasher to a waste pipe?


Quote from Youtube video: Water fit the green drain hose clamp onto the small end of the drain hose push. The small end of the drain hose into the dishwasher drain hose connector up to the stop squeeze.

Does a dishwasher need a waste pipe?





It’s best to place your appliance against an exterior wall. That means you won’t need to have the waste pipe running along the inside wall of your home. Washing machines and dishwashers should stand on a firm, level floor. Most new dishwashers only need a cold water supply.

How do I connect my washer to my kitchen sink drain?

Quote from the video:
Quote from Youtube video: You're going to put in one of these adaptive valves so it'll have an inlet and then it branches off one to your sink.

Can washing machine drain into sink?

In a common setup described at Sink Engineering, the drain hose from the washing machine is hung on the edge of the laundry sink. Water is drained from the washing machine directly into the sink. Connect the washing machine to the sink drain if the drain pipe is a 2-inch line.

Can laundry sink drain into washer standpipe?

A laundry sink (also called a laundry tray or tub) can be connected to a washing machine standpipe without a P-trap if the sink drain is within 30-inches of the standpipe. Also, the top of the standpipe must be above the flood rim of the sink and rise at least 30” above the trap weir of the standpipe.

Do I need a trap for laundry drain?



The lack of a P-trap exposes the area to sewer fumes and the lack of venting will cause the drain to run sluggishly and overflow. Washers, like all fixtures, need a trap.

Does my washing machine drain need a vent?

All plumbing fixtures—including washing machines—must be vented. Improperly vented drains can be sluggish and noisy, and can emit hazardous fumes. Properly vented drains allow the P-trap to do its job: prevent sewer gases from escaping into your home.

How do you plumb a washing machine drain pipe?

Quote from the video:
Quote from Youtube video: If the top of the drain pipe or siphon break is located above the maximum height allowed your washer will not be able to pump out water adequately. As a result the water may flow back into the washer.

How do you plumb in a washing machine waste pipe?



Quote from the video:
Quote from Youtube video: So look under the end of the cupboard under the sink. And if you've got a bottle trap with these bits there should be one or two getting out so we can connect it straight here.