Standpipes shall be individually trapped. Standpipes shall extend not less than 18 inches (457 mm) but not greater than 42 inches (1067 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.
What is the code for washing machine drain pipe?
The plumbing code limits the length of a tail piece to 24 inches. The one exception to this rule is the stand pipe, [washing machine drain]. An auto washer station stand pipe must be at least 18 inches long but no more than 30 inches including off sets.
How high can a washing machine drain line be?
Generally, the maximum height is around 39″ (99 cm). Newer washers often have a drain hose permanently attached, which is designed to make drain installation fool proof.
What is the minimum and maximum height of a standpipe? – Related Questions
Can a washing machine drain be too high?
A washing machine drain can be too high to pump. Washer drain pumps have a specified power rating, so they can only pump out water at a certain flow rate for a particular drain height. If the drain is too high, the flow rate will be too low to push the water out of the washer, resulting in backflow.
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 height is a washing machine drain and hook up set at?
Once you’ve selected the right washing machine outlet box for your situation, it should be installed at a height where the flood level rim (or the top of the drainage outlet) is 32” to 34” above the finished floor.
Can you put a 90 in a drain line?
It’s a bad plumbing practice to have a hard 90-degree bend in a horizontal drain line that’s buried in a slab or otherwise hidden. If you have to make a 90-degree bend, use two 45-degree fittings and put a small piece of straight pipe between the fittings, if possible.
Why washing machine drain hose is high?
The drain plumbing should be at least 30″ high to ensure that no water is siphoned. The drain hose must be at least 30″ from the floor and less than 8 feet long in order to operate properly.
How far can I extend my washing machine drain hose?
You can fit an extension hose to an existing washing machine, but it should not be longer than 1.2 m (4 ft). Anything longer can cause insufficient drainage and backflow into the washing machine.
How long 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.
Can a washing machine waste pipe go uphill?
No. Any uphill runs will collect the fat and sludge and become blockages.
How far should washing machine drain hose go into standpipe?
Here’s the specs in a Whirlpool manual, shown below. When we called Whirlpool customer service, their recommendation was don’t add more than a 4-foot extension to the basic drain hose, which would allow placement of the washer about five feet from the termination.
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.
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.
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 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.