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.
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.
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.
How high should a washer drain be?
You should only elevate a washing machine drain if it’s below the minimum height specified in the user manual. The minimum height drain for top load washers is 30 inches (76.2 cm), while that of their front load counterparts is 24 inches (60.96 cm).
What is code for washing machine drain? – Related Questions
Where should my washing machine drain?
Can a washing machine drain be too low?
The washer drain hose is a 1-1/4″ O.D. (outside diameter). To be confident that no siphoning of water will take place, the drain plumbing must be a minimum of 30″ high for Top Load washers. Siphoning means the washer will fill and drain at the same time. This happens when the drain height is too low.
How far in should the washing machine drain pipe?
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. The drain hose should be connected to the standpipe at the correct height for it to work properly.
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.
Does a washing machine drain need a P-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 high should stand pipe be for washer drain?
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.
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.
Does a washing machine drain need a P-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.
What size PVC is used for 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.
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 I use Schedule 40 PVC for drain?
There’re different wall thicknesses (schedules) of PVC pipe. The most commonly used wall thicknesses are schedules 120, 80, and 40. Schedule 40 is ideal for above-ground vent lines and sewer lines in homes and has a thinner wall thickness than schedules 120 and 80.
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.