How big should a washer drain pipe be?
A 2-inch drain pipe is required for all washing machines. The former requirement of 1 1/2-inch pipe is not enough to handle the fast drainage of modern washers. As with all plumbing fixtures and appliances, a washing machine drain pipe must also contain a P-trap.
What size PVC is used for washer drain?
two-inch
The 1½-inch size is used to capture water that might flow out of a kitchen sink, a bathroom vanity or a tub. The two-inch pipe is commonly used to drain a shower stall or washing machine, and it may be used as a vertical stack for a kitchen sink. A three-inch pipe is what’s used in homes to pipe toilets.
What diameter is washing machine waste pipe?
All washing machines have a 2-inch drain pipe. The old requirement of 1 1/2 inch pipe isn’t enough to handle the fast drainage of washers. The washing machine drain pipe must have a P-trap.
What is code for washing machine drain?
According to the Universal Plumbing Code, the standard for washing machine drain size is 2 inches. The P-trap should be between 6 and 18 inches high from the floor, while the pipe should be between 18 and 30 inches high from the floor. These standpipes connect to the home sewage system and should also be vented.
Does a washing machine drain need a P-trap?
If your washing machine drains to a sewer line, such as a city sewer system or a septic tank, it must have a P-trap. A P-trap contains water in its bend. This water is an essential vapor barrier that prevents sewer gas from coming up through the drain line and entering your home.
Does a 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 far away can the vent be from a washing machine drain?
4 feet
It prevents the possibility of a vacuum forming which could affect the water draining from your washing machine. If your washing machine is more than 4 feet from the vent stack, you should install a vent to make sure there’s enough room for the machine to drain properly.
How do you plumb a washing machine drain pipe?
Quote from the video:
Quote from Youtube video: Information. In order for the washer to drain properly. Check that the top of the drainpipe standpipe or laundry tub is at least 39 inches or 99 centimeters from the floor.
How close does a vent need to be to a washer drain?
Venting the Standpipe
The vent must rise a minimum distance from the trap that depends on the sizes of the pipes you use for the drain and the vent itself; for a 2-inch drain line, this distance is usually 5 feet.
Can a washer and toilet share the same drain?
Some buildings have multiple waste lines that are connected to different appliances. However, if you’ve already taken note of the fact that your toilet gurgles whenever the washer drains, they’re definitely using the same system. That means that they also share the same vent stack.
Can you vent a drain horizontally?
To answer your specific question, yes, vent pipes can have horizontal runs, as long as there is no possibility of them becoming plugged with water. In other words, any water that gets into the vent pipe opening must be able to run freely all the way to the sewer, without creating a “trap”.
Does a washing machine drain hose need to be elevated?
Yes, the drain hose needs to be elevated and it’s always best to do so at a level that’s higher than the washing machine itself. This will prevent possible siphoning. There are also other steps you can take to ensure that you get the best drainage.
