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The Pressure Washer Part 4.580-359.0 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.
Genuine OEM Parts
Karcher 4.580-359.0
Therm 60 GRD
Release water when water gets hot
Fits Models:
K4000G
K5000G
HD2500-HK
G3000-BH
G2650-HH