Are all washing machine connectors the same size?

Author: Prof. Roman Konopelski IV  |  Last update: Saturday, January 31, 2026

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.

What size are washing machine connectors?

Washing machine and dishwasher inlet hose connectors use a 3/4 inch BSP thread (measures about 1 inch with a ruler), see BSPT link at bottom of page for more information about British Standard Pipe Thread sizes.

Do all washing machines hook up the same?

Top load and front load washers have a similar installation process, though the location of the hoses and power cords may be slightly different.

What size of fittings are typically on a washing machine supply line?

Most washing machine hoses use standard ¾-inch fittings, but you can choose between straight ends or a 90° elbow design.

Are red and blue washing machine hoses the same?

Suitable for hot water, cold water or to drain, they are durable and easy to attach. Available in different lengths and colours, such as red for hot water and blue for cold, to suit the installation requirements and offers great replacement products for refitting or if a longer length is needed.

How to choose the right washer hoses

Do you connect washing machine to blue or red?

Connect the machine's blue hose to the cold supply, and the red hose (if it has one) to the hot.

Are all washing machine water hoses the same size?

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.

How do you tell what size an fittings are?

As mentioned earlier, you can always identify AN fittings based on the male thread size (outside diameter). These sizes are constant regardless of brand, hose type, or fitting configuration. If your fitting has a convex 37 degree flare at the end, the threads will tell you the AN size (and vice-versa).

What size is a standard pressure washer connector?

Common sizes include 1/4″, 3/8″, and 1/2″ fittings. Check your pressure washer and accessories to determine the appropriate size. Type of Fitting: Consider the type of fitting that best suits your needs.

What size fitting for a washing machine?

If there are three or four of you, you'll want a 7-8kg load machine, fitting around 7 outfits or 7 towels per load. Bigger families will need a 9kg or larger washer to handle all those school uniforms, fitting 8+ outfits or 8+ towels per load.

How often should you replace a washing machine drain hose?

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.

What connections do I need for a washing machine?

To install your washing machine, you'll need three basic connections: a water supply, a waste pipe for drainage, and a power socket. 1. Water Supply: To supply your washing machine with water, you'll need a tap with a threaded connection to attach the water inlet hose.

Are all washing machines standard size?

Most washing machines have standard dimensions for width and height, so focus on getting the right washing machine depth measurements as these can vary widely by manufacturer, model and capacity.

What size are washing machine hookups?

¾-Inch Fittings

Most washing machines and home water connections in the U.S. use this size, ensuring compatibility. This fitting size also allows for a higher water flow capacity and better water pressure compared to smaller fittings.

Are all washing machine connections the same?

Do new washing machines use the same hoses and plumbing? All washing machines should use standard sizes and fittings.

What size plug does a washing machine use?

Determining the Correct Electrical Requirement for a Washer

Requires a 120 Volt, 60 Hertz, individual, properly grounded branch circuit with a 3 prong grounding type receptacle, protected by a 15 or 20 Amp circuit breaker or time-delay fuse. Will not operate if voltage is lower than 102 Volts or higher than 132 Volts.

Is M22 the same as 1/4?

The diameter of the hose itself does not indicate the fitting size required. The fitting at the end of your hose is what needs to match the fitting. For example, A 1/4" hose simply has a 1/4" diameter to the hose but may have an M22, 3/8" threaded, or quick connect fitting at the ends.

Are pressure washer connectors universal?

No, not all pressure washer accessories are universal, nor are they always interchangeable. Accessories may differ in fittings from one machine to another and may not fit together correctly. Some pressure washers are also brand-specific, meaning they will only work with accessories from the same manufacturer.

How do I know what size pipe fitting I need?

Wrap a string around the pipe (if it's a male thread) and mark where the string touches. Determine the length between the end of the string and the touch point, which gives you its circumference. To get diameter, divide the circumference by pi (3.14159). You may need to convert decimal to fraction.

How do you know what size fits?

To help choose the right size, you will need to measure your bust, waist and hip. Use a tape measure over your underwear or form fitting clothing and compare your body measurements with those on our size chart, choosing the size that closest matches your measurements.

Is 3/8 the same as 6an?

THE 3 BASIC ELEMENTS OF PLUMBING

Using your automotive hose size, choose from the chart below to find the AN equivalent for hose, hose ends and adapter fittings. For example: a 3/8" standard hose equals -6 AN.

What size connector for washing machine?

All references are for 3/4" hose and connectors. This is the only other information provided for the B9WM72HE: Washing Machine Connector comes equipped with high bursting, inner and outer strength. Each foot of NO-BURST contains 220 feet of stainless steel wire.

Are all washer hookups the same?

Are all washer dryer hookups the same? No. Some have a single handle to allow the water to flow into the washing machine; some will have two separate handles on the valves. But in both cases they should accommodate standard hoses.

Are all pressure washer hoses universal?

Pressure washer hoses are not universal; using the wrong hose could result in damage to your pressure washer, as well as to the object you are trying to clean, or worse, it could cause an injury. Be sure to consult your pressure washer's owner's manual to determine which hose is compatible with your machine.

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