Integrated Safety: Designed to work seamlessly with factory thermocouples and ECO circuits to prevent hazardous gas buildup

Precise Modulation: Advanced liquid-filled sensing element reacts quickly to local temperature changes for improved occupant comfort

As a Type S expansion valve

it is recommended to inspect or replace the gasket during installation to ensure a gas-tight seal at the flue outlet

Conbraco 18C-521-3-125 Valve THPU32HP7Y Integrated Safety: Designed to workThe Conbraco 18C 521 3 125 is a professional grade, high capacity Temperature and Pressure Relief Valve engineered for the protection of commercial scale hot water heaters and storage tanks. This ASME Section IV certified valve features a 1" Male NPT inlet and 1" Female NPT outlet, specifically calibrated for a 125 PSI set pressure and a 210F temperature limit. With a substantial 1,825,000 BTU capacity, it is designed to meet the rigorous safety