Do you have to put a trap on a washing machine drain?
When hooking up a new washing machine, some people look for a convenient drain line and simply install a pipe that extends to the washer. 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.
Do you need a trap to drain a washing machine?
Washers, like all fixtures, need a trap. The correct way to drain a washing machine is to install a standpipe. That is a vertical length of pipe that connects to a P-trap that, in turn, connects to the drain.
How do you install a drainpipe for a washing machine?
Glue the fitting to the drainpipe, using plastic pipe cement. Ensure the fitting has a 2-inch outlet that faces in the direction of the washer. Run a length of 2-inch ABS pipe to the wall behind the washing machine. At some point within five feet of the washer, install a 2-inch sanitary tee with its outlet facing upward.
What kind of drain do I need for my washing machine?
However, experts propose that the best way to ensure the proper draining of the washing machine is through the installation of a standpipe. This is a vertical pipe connected to a P-trap, which then connects to a drain. A sturdy 2-inch pipe will work well as a standpipe.
Can you connect a trap to a vertical drain?
Connecting a trap to a vertical drain with a wye fitting and a 45-degree elbow seems like a good idea. But it’s not. As water drains down the steep slope at the wye, it can create a siphon effect such that water will be sucked out of the trap. And the empty trap will allow sewer gas to flow into your home.
Washers, like all fixtures, need a trap. The correct way to drain a washing machine is to install a standpipe. That is a vertical length of pipe that connects to a P-trap that, in turn, connects to the drain.
How to install a standpipe drain for a washing machine?
• Use the solvent glue to attach a 2-inch P-trap at the other end of the standpipe. The best p-trap is one that has a clean out plug, which makes it easy to remove any obstructions that may collect in the p-trap. • Insert the glued standpipe to the p-trap that should be long enough to extend to a level above the washing machine.
Can a laundry sink drain be installed without a trap under it?
Can a laundry sink drain be installed without a trap under it? 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.
However, experts propose that the best way to ensure the proper draining of the washing machine is through the installation of a standpipe. This is a vertical pipe connected to a P-trap, which then connects to a drain. A sturdy 2-inch pipe will work well as a standpipe.
