What Size Drain Pipe For Washing Machine? Finally Understand!

If you have a dishwasher, you may need a larger drain if your washer requires a larger drain. If you’re not sure what size washer you need, you can check the manufacturer’s website to find out.

What is code for washing machine drain?

According to the Universal Plumbing Code, the standard for new washing machine drain sizes is 2 inches. The pipe should be between 30 and 30 inches high from the floor, while the P-trap should be between 6 and 18 inches in diameter.

What size PVC is used for a washer drain?

The 112 inch size is used to capture water that might flow out of a kitchen sink, bathroom sink or tub. The two-inch pipe is commonly used to drain a shower stall or washing machine, and it can be used as a vertical stack of pipes to collect rain.

Can you use 1 1/2-inch pipe for a washer drain?

The old requirement of 1 1/2 inch pipe is not enough to handle the fast drainage of modern washers. A washing machine drain pipe must have a drain plug in it to prevent water from entering the machine through the drain hole.

A 1-1/4 inch plug must be installed in the bottom of the wash machine to allow water to drain out. If the plug is damaged, it may be necessary to replace the entire plug.

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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. Water is in the bend of a P-trap. The water prevents sewer gas from coming up through the drain line and into your home.

How long can a washing machine drain pipe be?

The minimum height for entering the drain hose into the standpipe or faucet box is 39” and the maximum depth is 36 inches. In addition to the minimum and maximum height requirements, the manual must also specify the type of hose used to drain the water.

The manual should specify whether the hose is a hand-held hose or a hose that is attached to a pump or other device. In addition, it must specify how much water is to be drained from the machine.

For example, if a machine is equipped with a manual that specifies the maximum amount of water that can be pumped, then the operator should be able to determine the amount that will be needed to fill the tank.

If the manufacturer does not provide this information, or if it is not possible to calculate the required amount, an operator may be required to use an alternative method of draining water, such as the use of a siphon.

Does a washing machine drain line need to be vented?

All plumbing fixtures—including washing machines—must be vented. Improperly ventilating drain can be noisy and emit hazardous fumes. P-trap is supposed to prevent sewer gases from escaping into your home. If you have a leaky faucet, you’ll need to replace it with a new one. If you don’t have access to a plumber, or if you live in an apartment or condominium, your landlord may be able to fix the problem for you.

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