The 308418004 Pump & Thermal Relief Valve is a robust and reliable component designed for pressure washers. With a maximum pressure of 2,700 PSI and a flow rate of 2.3 gallons per minute, it offers efficient cleaning power. Featuring a 3400 RPM rating and compatibility with 3/4" shaft engines, it ensures smooth operation. The pump is equipped with a 22mm outlet, reinforced manifold, and heavy-duty check valves for durability. It includes a garden hose inlet and chemical injector for versatile cleaning options. Additionally, the built-in thermal relief valve prevents overheating, ensuring safe operation. Pre-filled with pump oil, it's ready for immediate use, making it convenient for users.