Key Benefits ASME Section IV Certified: National Board capacity certified for high-output hot water heating systems

Use a calibrated multimeter to check for electrical continuity across the terminals while the part is at ambient temperature

ensuring the sensor probe reaches the core of the air stream

The Ranco O16-166 Pressure Control is a heavy-duty SPDT refrigeration pressure switch engineered for high-precision regulation in commercial HVACR systems

Antunes Controls 804111705 Pressure Switch Freon Key Benefits ASME Section IVThe Antunes Controls 804111705 Pressure Switch is a high performance HLGP A gas pressure switch engineered for precision monitoring in industrial gas trains, boilers, and commercial HVAC combustion systems. This dual function high and low gas pressure switch features adjustable ranges of 5 28"wc high and 2 14"wc low, offering comprehensive protection by cutting the electrical control circuit when pressures drift outside safe limits. Built with a