How do pressure washers work?Pressure washers use pumps to increase the pressure of the water. Choose from electric or gas pressure washers. The pressure washers’ pumps have two connection points for low and high pressures. The low pressure (IN) connection is threaded to accept a standard garden hose. The high pressure fitting (OUT) accepts a high pressure cleaner hose (usually M22 threaded or 3/8-inch quality control) that connects to a hand pressure washer tube. A high pressure cleaner pump is the most important component of your pressure washer.
- Axial pumps, ideal for small housework, are easy to use and require little maintenance.
- Triplex pumps, ideal for everyday or frequent use, must be maintained but can be repaired to ensure years of quality performance.
- Interchangeable nozzles control the jet of the lance. Most pressure washers include chopsticks that use a ¼ inch quick connect system.
Buying tipsTake into account the flow of your water supply and recheck the power required for the model you are planning to buy.
- Well water may be incompatible with most washers due to low water flow.
- Look for a pressure washer with a built-in earth leakage switch. (Note: some require a 20 amp circuit.)
- Check for brushes, pressure washer, nozzles and tips. Many accessories are designed for specific projects, including rotating brushes and extensions for deep cleaning.
- In case your cleaning needs are highly demanding, consider buying a pressure washer that includes electronic fuel injection. This feature gives the high pressure cleaner a 50% easier start and better fuel economy.
- High pressure cleaners with the PWMA logo indicate they have been certified by the High Pressure Cleaners Manufacturers Association.