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.
What plumbing is needed for a laundry room?
Drain and vent pipes, water supply lines, exhaust ducting, and electrical cables all share the space inside laundry walls, while receptacle outlets, recessed washer boxes, and dryer-vent-connection housings penetrate the real estate on the surface.
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.
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 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 can a drain line run without a vent?
For pipes that have a diameter of 3 inches the distance is 6 feet and for a 4-inch pipe the most it should be away from the vent is 10 feet. Keep in mind that toilets have their own traps so there is no need to have one on the drain line, but it still must have a vent.
What happens if you don’t vent a drain?
Without a vent to allow pressure to escape from the plumbing system, harmful sewer gases can build up and make it difficult for water to move through the pipes efficiently. A clogged plumbing vent creates problems not because it doesn’t allow air in, but because it won’t let it out.
What happens if a drain is not vented?
Poorly-vented drain lines will not be able to effectively move wastewater and solid waste out of your building. This could lead to problems such as overflowing drains, backed-up toilets, and similar plumbing issues.
How do you vent a washing machine drain line?
The best way to vent a washing machine drain pipe is to run it into an existing plumbing vent stack. If this is not possible, you can install a separate vent stack. Either way, it’s important to ensure that the vent stack is properly sized and installed to prevent future problems.
Does washing machine drain hose need air?
It is important to have a sizable air gap between the end of the drain hose, and the bottom of the sink. An air gap prevents backwater from ever getting sicked back into your washing machine.
How high should a washing machine waste pipe be?
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.
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.
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.
Is a floor drain required in a laundry room?
Floor Drain
The 2017 IRC code does not specifically require floor drains to be installed in laundry rooms, but buildings often include them to provide for emergency drainage or to help with other drainage needs (e.g., relief valves, water heater drainage, condensate drainage, etc.).
Can I drain my washing machine water into the garden?
Household wastewater from washing machines, bathroom sinks, showers, and bathtubs is considered “gray” because it is only lightly soiled and poses a minimal health risk. As long as you’re only putting biodegradable products down the drain, graywater is perfectly safe for irrigating plants.
Is it OK to water plants with laundry water?
If your home does not have a water softener, your bathwater and rinse water from dishes and laundry are all of good quality for irrigation. Soapy wash water from dishes and laundry might better be saved to flush the toilet, but can be used for irrigation if you’re careful about certain possible problems.
Can you pour laundry water down the drain?
Wondering how to properly dispose of laundry products like detergent or fabric softener? Don’t worry – these products are designed to be added to water and rinsed safely down the drain, so there’s no harm in pouring out any liquid products you no longer wish to use along with plenty of running water.
Is it safe to water plants with laundry water?
Plants can be watered with shower, bath, kitchen and washing machine water (from rinse cycles), collectively referred to as ‘grey’ water.