ALL YOU WANT TO KNOW ABOUT PRESSURE WASHERS
HIGH PRESSURE HOSES
|There are quite a few different
types of hoses made for the pressure washer:
Higher strength hoses require a double wire braid
Some better quality hoses have an outside cover overall. Outside covers can be provided for high wear, chemical resistance and non-marking. A car wash generally would want to have high wear because their hoses are being dragged around a lot. Working with harsh chemicals needs to have a cover which resists the chemical being used. When working in sensitive areas such as wood decks, tile and brick patios it is wise to use a non-marking hose.
If you don't need extra high pressure hose then a single braid works well for most situations. It's lighter, more flexible and a lot easier to roll up than a double braid hose. As well, single braid is less expensive. Most off the shelf pressure washers up to 4000 PSI come with single braid hose.
For Hot Water, use a hot water specific hose. Look for markings that indicate the temperature rating and make sure you don't exceed it. Having a hose filled with 3000 PSI hot water can do serious damage to you if it bursts.
Steam rated hoses are more expensive but well worth the extra money for safety sakes. Never operate a machine in steam mode without making sure it is steam rated.
Most of the Big Box "hobby" washers use a thermoplastic hose. These hoses usually have a fabric type braid, are cheap to make and usually not rated for more than 2000 PSI. If you bend the hose too much it will kink and eventually fail at the kink . Trying to find someone to fix a kinked thermoplastic hose is difficult so be careful.
Most hoses have what's called "bend restrictors" installed at each end. These help prevent exposure of the braid at the fittings to the elements.
Many ask what effect using a longer hose on pressure and flow has. It is a complicated process that I have never been able to understand. Here is a description of how to do it if you are so inclined
Or, you can figure on losing 1 pound per foot under average conditions!