Conbraco 18C-521-5-150 Valve Freon The switch is calibrated to

The switch is calibrated to open (cut-out) at 145°F and close (cut-in) at 115°F

If your application requires a higher pressure (e

defined by the physical spacing of the captive trippers on the 7-day dial

Essential Safety: Integral component for maintaining low water cut-off functionality and preventing boiler damage

Conbraco 18C-521-5-150 Valve Freon The switch is calibrated toThe Conbraco 18C 521 5 150 is a high capacity ASME Section IV certified primary safety device engineered for commercial hot water storage tanks and large scale heating systems. Designed to prevent catastrophic vessel failure, this 1" MNPT x 1" FNPT temperature and pressure relief valve provides a 2,155,000 BTU hr capacity, making it a standard for mechanical contractors servicing high output boilers. The valve is factory set to open at 150 PSI or