Briggs & Stratton Electric pressure washer Parts — Browse All Models

Replacing the chemical injection valve in your Briggs & Stratton electric pressure washer

• Wear work gloves to protect your hands.
• Unplug the pressure washer power cord from the electrical outlet.
• If detergent is in the detergent reservoir, clamp the chemical injection hose near the chemical injection valve. Use an open-end wrench to turn the chemical injection valve counter-clockwise and remove it.
• Install the O-ring on the new chemical injection valve. Lubricate the O-ring with silicone lubricant. Thread the new chemical injection valve into the pump and tighten. Reconnect the chemical injection hose. Release the clamp from the chemical injection hose, if used.
• Plug the pressure washer power cord back into the electrical outlet.

Common Briggs & Stratton electric pressure washer replacement parts

• Check valves. Check valves are spring-actuated pump valves that allow pressurized water to flow in only one direction through the pump.
• Pressure hose. The pressure hose connects the pump to the spray wand. The pressure hose carries the pressurized water safely from the pump to the spray wand.
• Spray gun. The spray gun has a trigger and trigger lock to control the application of water onto the cleaning surface.
• Thermal relief valve. The thermal relief valve protects the pump from overheating. If the spray wand is unused for more than 5 minutes while the pump is running, the pressurized water heats up quickly. If the water gets too hot, the thermal relief valve opens to prevent damage to the pump. The thermal relief valve closes once the water temperature is cooler.