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Dual-Function Monitoring: Rated for both outdoor air sensor and return air temperature tracking
Enhanced Safety Diagnostics: Integrated LED fault codes allow technicians to quickly identify ignition lockout or internal hardware errors
For technicians performing routine maintenance or manifold upgrades
If the Aaon P81570 fails to close at 140°F
What is the thread size for the gas connections
Kunkle Valve 0537-G01-HM0030 Relief Valve Els PW 29614 Dual-Function Monitoring: Rated for bothThe Kunkle Valve 0537 G01 HM0030 (also identified as 537 G01 HM0030) is a heavy duty, direct spring ASME Section IV relief valve designed specifically for low pressure hot water boilers, heat exchangers, and generators. This 1 1 2" x 2" boiler safety valve features an extra heavy bronze body and a B584 alloy 8440 seat, providing reliable overpressure protection. It is National Board certified with an "HV" designator, delivering a steam capacity of