Thermal Relief Valve

The Pressure Washer Part  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.

• Measures 1/2" across threads

• Discharges at 140°

• Helps protects pump from overheating

Thermal Relief Valve should be replaced every 2 Years