The BTU/hr rating of the relief valve must equal or exceed the total heat input of the boiler or heat-generating equipment it is protecting

Common Questions What is the difference between a safety relief valve and a standard pressure valve

If the switch is open (OL) while cool

11W48 is identical to R45827-001

For non-spring return units like the GM or AM series

Conbraco 26-307-01 Gauge Cock Freon The BTU/hr rating of theThe Conbraco 26 307 01 is a professional grade 3 4 inch male NPT gauge cock engineered for critical pressure monitoring and fluid control in commercial HVACR systems. Built with a satin brass body, this Apollo 26 300 series valve is specifically designed for draining expansion tanks and managing flow in liquid storage vessels. The assembly utilizes a soft metal seat and a robust stuffing box configuration, providing a reliable seal that is rated up to