Generally, it should be between 18 and 30 inches from the floor. The water volume could pull the trap dry if it’s any higher than that. The standpipe connects the drain hose to the sewer line. It keeps the water level in the washing chamber below the drain to control the flow of water.
What is code for washing machine drain?
The Uniform Plumbing Code mandates a washing machine P-trap height to be between 6 inches to 18 inches above finished floor level. The is measured by taking the distance from the finished floor to the centerline of the trap’s arm.
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 is the maximum height allowed for a standpipe for a washing machine drain?
Standpipes shall extend not less than 18 inches (457 mm) but not greater than 42 inches (1067 mm) above the trap weir.
How high should a laundry drain be? – Related Questions
What is the minimum height for a drain?
The correct rough-in height for sink drains to pass the inspection is between 18 and 20 inches. Standard sink drains usually start from 24 inches and stop at 28 inches, so the rough-in height should be slightly lower than this height range.
At what height is a standpipe required?
1. Height – Section 905.3. 1requires a Class III standpipe throughout a four-story building measured from grade plane or when the level of the highest or lowest floor is located 30 feet above or below the level of fire department access.
How tall should a basement stand pipe be?
Some plumbers and contractors warn that if the standpipe is more than 18 inches from the floor, it can create pressure that will cause the sewer lines to crack, basement walls to fracture, and the entire house to collapse into the foundation.
How far should washing machine drain hose go into standpipe?
What size is a washing machine standpipe?
Clothes Washer Standpipe
The standpipe for a clothes washer should be at least 18 inches and not greater than 42 inches above the trap weir. The standpipe should be at least 2 inches in diameter.
What is the minimum height for a standpipe for a washing machine drain?
The standpipe shall extend not less than 30 inches (732 mm) above the weir of the standpipe trap and shall extend above the flood level rim of the laundry tray. The outlet of the laundry tray shall not be greater than 30 inches (762 mm) horizontal distance from the side of the standpipe.
Does a washing machine drain need an air 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.
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.
Why does my sink gurgle when washing machine drains?
Often, utilities like a washing machine or dishwasher will have their own vents which connect to the main air vent in your house. One of the most common causes of a gurgling sink is a blockage in this main air vent. When there is a blockage, air can get trapped in the pipes.
How do you drain a washing machine without going everywhere?
If you have a drain pump filter only, place the shallow container up against the machine, directly under the filter, to catch the water. Turn the knob slowly until water starts coming out. Fill the container, turn the knob off, dump the water into a sink or basin, and repeat until the water has been drained completely.
Does a washing machine drain 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.
How far away can a washing machine be from the drain?
So, how far away can you fit a washing machine drain? You can fit a washing machine drain a maximum of 2.7 m (9 ft) from your washing machine. Washing machines come with standard 1.5 m (4.9 ft) hoses, but you can safely extend them with pipes that are a maximum of 1.2 m (4 ft) long.
Can a P-trap be higher than the drain pipe?
It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. They both work and have seen it many times. But essentially anything below already creates its own p-trap- so using another is redundant.