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.
Does a washing machine drain line 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.
What is code for washing machine standpipe?
The standpipe shall extend not less than 30 inches (762 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.
How should a washing machine waste be plumbed in?
What is code for washing machine drain? – Related Questions
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.
How far from the waste pipe on a washing machine?
We strongly recommend you have someone assist you when lifting, tilting and moving your washing machine. Make sure that the drain hose has not been inserted too far into the waste pipe. The maximum should be 15cm inserted, otherwise a vacuum may form which can cause siphonage.
Does washing machine waste Need U bend?
Make sure your washing machine doesn’t pump into a drain system that has a direct run to a drain without some sort of u-bend. Without it, if the plastic waste water piping hangs over an outside drain, then you have, in effect, an open tube leading from over the outside drain into your house.
How do you pipe a washing machine drain?
How do you connect washing machine waste to trap?
The first solution is hooking the washing machine hose into the top of a standpipe with a P-trap at the bottom. Then, once attached to the P-trap, run the pipe through the outside wall. This can then be attached to a hopper head or gully. An alternative is attaching the pipe directly into a soil stack.
Can a sink and washing machine share the same drain?
A washer and a sink can share a drain. However, this setup is not recommended. The washer will constantly put water into the drain, while the sink will constantly take water out. Over time, this will cause a build-up of debris in the pipe and eventually lead to a clog.
Does washing machine need to be next to sink?
Some manufacturers recommend a standpipe, and some water companies insist on it. The easiest solution though, is to put your machine next to a sink and change your sink trap to a washing machine trap – which has an inlet for the waste hose above the trap.
Why do some washing machines drain into a sink?
Sometimes, water might back up in the kitchen sink while you’re doing a load of laundry, or your bathtub will fill with water. Either case means that your main drain line is clogged. You need to call a professional to clear the drain for you.
Does a washing machine need a standpipe?
While it might be tempting to simply connect your washer to any other convenient drain line, doing so increases the risk of water overflow and sewer fumes. To properly drain your washing machine, you’ll need to have three components:Standpipe.
Where should washing machine water drain?
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.
How tall should washer drain pipe be?
In order for the drain hose on your Top Load washer to function properly, the drain must be at least 30″ up from the floor and less than 8 feet high. In order for the drain hose on your Front Load washer to function properly, the drain must be at least 24″ up from the floor and less than 8 feet high.
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.
Can a washing machine waste pipe go uphill?
No.Any uphill runs will collect the fat and sludge and become blockages.
What size PVC is used for a washer drain?
The two-inch pipe is commonly used to drain a shower stall or washing machine, and it may be used as a vertical stack for a kitchen sink. A three-inch pipe is what’s used in homes to pipe toilets.
Does a washer drain have to be 2 inches?
Drain and Trap Requirements
A 2-inch drain pipe is required for all washing machines. The former requirement of 1 1/2-inch pipe is not enough to handle the fast drainage of modern washers. As with all plumbing fixtures and appliances, a washing machine drain pipe must also contain a P-trap.