High-Temperature Durability: Specifically engineered to withstand the rigorous environment of the vent stack assembly

Failure is often caused by a restricted vent pipe

Precise Thermal Calibration: Precisely opens at 250°F to prevent thermal runaway and closes at 220°F for automated recovery

Direct Compatibility: Designed for an exact fit in York furnace parts assemblies

making it suitable for modern HVACR refrigeration cycles

Conbraco 10-604-34 Relief Valve 30067439-890 High-Temperature Durability: Specifically engineered toThe Conbraco 10 604 34 Relief Valve is a high capacity pressure relief valve engineered specifically for high output hot water boiler systems and storage tanks. This model features 3 4" Female NPT inlet and outlet connections, with a factory set pressure of 150 PSI. Built with a heavy duty bronze body and stainless steel springs, it provides a 3,116,000 BTU hr capacity, making it essential for large scale hydronic heating applications. The Conbraco 10