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 do you vent a basement washing machine?
Some homeowners prefer to hook their washing machines with a convenient drain line. But the right way to vent the machine is installing a standpipe and connecting it to the P-trap, and finally, the drain. The upper part of the basement vent has to rise five feet above the overflow level.
Can you vent a washer through a wall?
In many jurisdictions you have the option of an AAV – Air Admittance Valve, readily installed in a wall box behind the washer. An AAV involves a gravity seal that opens just when needed to let fresh air into the plumbing pipe. Just makes sure what you get is a real AAV, not just a cheap $3 check valve.
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.
Do you need a vent for a washing machine drain? – Related Questions
Where should a washing machine drain to?
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.
Can a washing machine drain into a 1 1 2 pipe?
Plumbing codes permit either a 1-1/2- or 2-inch standpipe for washing machines. When you install a 2-inch standpipe, you normally connect it to a 2-inch drain.
Can washer cause sewer backup?
The main sewer drainpipe under your house connects all the drains in your home, such as sinks, tubs, showers, and toilets. Because the washing machine uses so much water, it can cause backups in all of your house’s drains if you have a large clog.
Are washing machine drain pans required by code?
Drain pans aren’t a requirement for your washer, but they are an inexpensive and simple way of protecting your home by catching small leaks and reducing the amount of water damage from broken hoses. If your laundry room is upstairs, a drain pan is recommended to protect against leaks that can seep into the rooms below.
What is the correct height for a washing machine drain?
The washer drain hose should have an outside diameter of at least 30″ to ensure that no water is sucked from it. The drain must also be placed between 8 feet and 30″ from the floor for proper functionality.
How tall does a washing machine drain pipe need to 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. P-trap. P-traps prevent hazardous and potentially flammable sewer gases from entering your home. Any fixture connected to a waste line must have a P-trap.
What is the stand pipe length for a washing machine drain?
No standpipe receptor for a clothes washer shall extend more than 30 inches (762 mm), or not less than 18 inches (457 mm) above its trap.
Does a washing machine waste pipe need to be high?
The drain hose should be connected to the standpipe at the correct height for it to work properly. Ensure the highest point of the water drain hose is a minimum of 40 cm and a maximum height of 100 cm from the floor.
Why does a washing machine drain hose 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.
Can a washing machine drain into a 1 1 2 pipe?
Plumbing codes permit either a 1-1/2- or 2-inch standpipe for washing machines. When you install a 2-inch standpipe, you normally connect it to a 2-inch drain.
Can a washer and sink share a vent pipe?
If you’re joining a washing machine and kitchen sink on the same drain, you may be able to vent them both with a single vent if they are close enough together. If not, you can connect their separate vents before they tie into the main vent stack.
Can I use PVC for washer drain?
Putting a washer on a PVC pipe is a straightforward procedure similar to putting a washer on a bolt; a threaded nut is placed on the pipe and screwed onto the end of a drain opening or drain basket, or onto a threaded pipe end.