Pump Thermal Valve 17657

The Pressure Washer Part 17657 Thermal Relief Valve is an essential component designed to protect pressure washer pumps from overheating. This valve operates by releasing hot water when the water temperature exceeds safety limits, preventing damage to the pump due to high heat levels.

• Discharges at 140°

• Helps protects pump from overheating

Thermal Relief Valve should be replaced every 2 Years