The drain pipe should be a minimum of 1-1/2" I.D. (inside diameter) to ensure proper draining. 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.
The standard washing machine drain size is 2 inches, and the minimum requirement is 1 1/2 inches. Modern washers typically require a larger drain, and you may need a larger drain if it's connected to your kitchen sink. Standpipes should be between 18 and 30 inches from the floor.
Inside diameter of approx 19mm. Good plumbing installation practice with regard to fall, support and siphoning should be observed and the specific instructions of washing machine / dishwasher manufactures should be applied.
Drain hoses for domestic washing machines and dishwasher's are generally universal but the end fitting that connects to the machine sometimes differ. there are a number of differing “cuff” diameters (19mm and 22mm) but these can often be purchased separately and fitted to a length of hose.
Size: 3/4 Inch BSP.
3/4 inch BSP female threaded connectors on each end (standard thread size for washing machine hose).
Washing machine hoses can vary in terms of length, shape, and material. Some hoses have straight ends, while others have a 90-degree elbow on one end so that the hose fits snugly against your laundry room wall. But they have one thing in common: they all sport ¾-inch female threaded fittings on both ends.
The most widely used for pressure washer hoses are 3/8-inch fittings. 1/4 inch: Used for smaller pressure washers and accessories. 3/8 inch: The most common size for residential and commercial pressure washers. 1/2 inch: Used for high-flow applications or larger pressure washers.
While washer drainage specifications are similar for all washers, to be safe, the manufacturer's instructions for installing the drain hose, either in your owner's manual or on their website, should be checked.
Regardless of their condition, washing machine hoses should be replaced about every 5 years to prevent a flooding emergency. Standard washing machine hoses are made of black rubber. Unfortunately, these hoses only last a few years and will eventually fail, causing one big mess and costly water damage.
A laundry standpipe is a vertical pipe that connects your washing machine's drain hose to your home's waste stack.
Size and Flow Rates
Hose diameters range from 3/8-inch, 1/2-inch to 3/4-inch. In the United States, most standard garden hoses are 5/8-inch in diameter. The bigger the diameter, the more water is delivered.
The drain pipe should be a minimum of 1-1/2" I.D. (inside diameter) to ensure proper draining. 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.
With years of experience dealing with washing machine hose leaks, we highly recommend using stainless steel braided hoses. These braided stainless steel hoses are constructed with a durable stainless steel exterior shield, which is corrosion resistant and able to withstand high pressure and temperatures.
In the United States the washing machines have garden hose male threads on them . They connect to the house water supply shutoff valve ( which are the same male garden hose thread ). They connect with a hose that has Female threads on both ends .
One 15mm compression pipe connection and two 3/4 inch BSP threaded connections (the normal size for washing machine hoses).
Are Washing Machine Hoses Universal? While many washing machine hoses are marketed as universal, compatibility depends on length, material, and connection type. Most hoses use the standard ¾-inch FGH (female garden hose) fittings, making them compatible with most washing machines.
The diameter of threaded fitting inside a hose is referred to as the thread size. Hose diameters range from 3/8 inch, 1/2 inch and 3/4 inch. The bigger the diameter, the more water is delivered. The most common garden hose thread size is 3/4 inch.
Washing machines have 3 hoses: one for hot water, one for cold water, and one is a drain hose. This means there are 3 hoses that have the potential to burst or leak.
This drainage hose features one end with a 26mm I.D. elbow, most commonly used at the appliance end to avoid hose kinking. The other end features a 21mm I.D. outlet.
Washing machines all use hoses with 3/4-inch fittings on either end. You should be able to connect any washer hose you purchase to your water supply and to the washing machine, as all parts are standard. You don't have to buy hoses directly from the washing machine's manufacturer.
Internal hose issues
Over time, these washers can wear out, crack or become misshapen. This compromised seal can then allow water to leak from the connections. Built-up pressure within the machine can also stress the hoses and lead to leaks (clogged drains can also be a culprit for pressure issues).