The Comet Thermo Valve Kit K803S (Part Number: 12150329) is a thermal relief valve designed to protect pressure washer pumps from overheating. It operates by releasing water when the pump's temperature exceeds a certain threshold, ensuring optimal performance and longevity.

Key Specifications:

• Maximum Inlet Pressure: 145 PSI
• Relief Temperature: 133°F (56°C)
• Inlet Sizes Available: 1/4", 3/8", and 1/2"