How high should a washing machine standpipe be?

The standpipe for the clothes washer must be trapped. The standpipe height should be at least 18 inches (457 mm) and no more than 42 inches above the trap weir.

What is the minimum and maximum height of a standpipe?

Standpipes shall extend not less than 18 inches (457 mm) but not greater than 42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and drains for rodding.

What is the minimum height of a standpipe?

Also, the 18-inch minimum height of the standpipe intends to prevent the possibility of the clothes washer’s pumped waste from overflowing the standpipe.

How tall should a washing machine drain stack be?

Laundry standpipes must be tall enough to extend past the washing machine’s overflow line—typically 30-36” in height, or 18”-30” above the trap.

How high should a washing machine standpipe be? – Related Questions

What is the code for washing machine drain pipe?

According to the Universal Plumbing Code, the standard drain size for a washing machine is 2 inches. The absolute minimum should be about 1 1/2 inches. However, keep in mind that wash load capacities can vary by up to 400% or more depending on the model.

What is the maximum height of a standpipe?

Standpipes shall be 2 inches (51 mm) in diameter and not less than 18 inches (762 mm) or more than 48 inches (1219 mm) in height as measured from the crown weir. The standpipe shall extend 34 inches (864 mm) minimum above the base of the clothes washer unless recommended otherwise by the manufacturer.

How high should the drain be for a stackable washer and dryer?

Washer drain hookups should be between 30 and 55 inches from the bottom of the washer. The same measurements apply if the washer drains into a laundry tub. While the faucet heights may vary, the water supply is generally installed directly behind the washer.

Does a washing machine drain need to be elevated?

Elevating A Washing Machine Drain Hose

To be safe, you should always raise the drain hose above the level of the washing machine. This will keep any siphoning to a minimum. You may also take other measures to make sure you receive the best drainage possible.

What happens if washing machine drain is too low?

If the drain is too high, the machine won’t be able to propel the water up through the hose. If it’s too low, the water will flow right back into the drum after being pumped out. Either of these scenarios will result in a washer that stays full of soapy, murky water.

Does a washing machine drain have to be a certain height?

Whirlpool recommends a minimum of 39” above the floor, and GE has a 30” minimum, except that GE allows the top of the drain pipe opening to be lower if you secure the hose to the back of the machine near the top at a place the manufacturer indicates using a plastic “anti-siphon clip” Both manufacturers have a maximum

How high does a front load washer drain need to be?

Laundry tub drain system

Top of laundry tub must be at least 30″ (762 mm) above floor; install no higher than 96″ (2.44 m) from bottom of washer.

How much drop does a washing machine drain need?

The minimum horizontal slope is 1/4 inch per foot and the max is 3 inches per foot unless vertical. the inlet of the washer drain must be above the height of the washer. This is usually 36 to 38 inches minimum for floor seated washers.

How far should washing machine drain hose go into standpipe?

Does a washing machine standpipe need to be vented?

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.

Can a washer and toilet share the same drain?

Your drains are connected – One of the main reasons your toilet gurgles when your washer machine drains is because your washer machine is connected to the toilet drain. This isn’t uncommon. Your washing machine might have been placed in between your toilet and sewer stack.

Does a washing machine standpipe need a trap?

If they omit the trap and vent, it’s a mistake that can cause problems on two counts. 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.

Can a washing machine drain into a 1 1 2 pipe?

Drainage Problems

To drain water properly, a pipe connecting your washing machine and the sewage system must be at least 1-1/2 inches in diameter. Many building codes require you to use pipes that are 2 inches or larger.

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