Pressure Washer Hose Buyer's Guide

How to Pick the Perfect Replacement Hose

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High-pressure hoses endure a lot of stress from the pressurized water they transport.

After extensive use (or, at times, misuse), these hoses can wear out and require replacement. We recommend selecting a replacement hose that can withstand high pressure. These robust hoses won’t kink or twist like standard garden hoses.

When looking for a replacement hose, consider the following four factors:

1. Length: This will dictate how portable your washer setup will be.
2. Diameter: This can be complicated. Hoses typically come in three sizes: 1/4”, 5/16”, and 3/8”.
3. Material: This will define the flexibility of your hose.
4. Connections: Will you need to twist or snap your hose connections together?

Length

Are you using your washer in the driveway or around the entire house? Does your electric washer need to remain close to a power source? Are you required to clean areas on a second story? Selecting the appropriate length for your hose is crucial; it can determine whether you have to lug your equipment around the site or if you can move freely to complete your chores.

Diameter

Small (1/4”) hoses are most prevalent, designed for consumer-grade electric and smaller gas pressure washers with ratings up to 3,200 psi.

Mid-sized (5/16”) hoses are comparatively rare. They are suitable for prosumer-grade gas washers that can handle pressures between 2,700-3,600 psi.

Large (3/8”) hoses cater to all professional models and some prosumer-grade gas washers, capable of withstanding pressure levels up to 10,000 psi. Moreover, they are thicker, allowing for greater water flow (more gallons-per-minute).

Material

High-pressure hoses are crafted from three different materials: PVC Plastic, Rubber, and Polyurethane. The choice of material directly affects the flexibility and durability of the hose and whether it leaves marks on surfaces like driveways or decks.

PVC Plastic hoses are the most widely used. Though effective, they lack flexibility. If you find yourself often battling with your hose, it might be time to switch to rubber or polyurethane.

Rubber hoses offer greater flexibility and are heavier than standard plastic hoses. They are less prone to kinking and curling. However, they tend to leave black streaks on the surfaces they glide over.

Polyurethane hoses are newer options; featuring a steel-braided design covered by clear, flexible plastic. Professionals favor these hoses for their mix of flexibility and low surface impact.

Connections

Each hose is fitted with two connections: one for the pump and the other for the spray gun. There are two primary methods of connecting a hose to a pump: twisting or snapping.

The connection to the gun can vary: Male M22, Female M22, Male QC plug, Female QC plug, and a female 3/8 inch NPT. Examine the inlet on your gun carefully. While most have male threaded connectors sticking out, some are female or may use quick-connect plugs.

If your gun features a male thread, you will need a replacement hose with two M22 threaded (female) connectors. One end attaches to the pump, while the other connects to the gun.

If your gun has a male quick-connect plug, opt for a professional-grade hose equipped with a 3/8” female snap coupler.

Replace, Don't Repair

High-pressure hoses are designed to endure intense pressure for extended periods. If your hose has reached the end of its lifespan, it's essential to replace it rather than attempt repairs. While fixing it may seem appealing, no amount of sealant or tape can restore the original strength of the hose material.

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