Precise Pressure Calibration: Fixed at -1
00" rating make it suitable for specific Lennox furnace models requiring this precise set point for draft verification
For technicians troubleshooting airflow issues or bearing failure
The Carrier HR54ZA003 Door Switch is a critical OEM safety interlock designed to ensure secure blower compartment closure before system engagement
Whether you are performing a liquid line repair on a residential split system or a light commercial heat pump
Kunkle Valve 0537-G01-HM0060 Relief Valve Els PW 29614 Precise Pressure Calibration: Fixed atThe Kunkle 0537 G01 HM0060 Relief Valve is a heavy duty, ASME Section IV "HV" certified safety device specifically engineered for low pressure hot water boilers, heat exchangers, and generators. This 1 1 2" x 2" direct spring relief valve provides reliable overpressure protection, managing capacities up to 5,919 lb hr (5,919,055 BTU h) at a 60 PSI set pressure. Built with a cast iron body (standard for 1 1 2" and 2" models) and a high performance