Pressure switches must match the manufacturer's exact "WC rating

The KMC Controls HFO-0027 is primarily used with the CTC-1600 series and similar pneumatic thermostats that utilize a slider-based setpoint adjustment interface

While designed for specific York model configurations

The 208/240V coil ensures seamless integration with standard commercial control circuits

streamlining installation in tight mechanical rooms where piping orientation is restricted

Watts 0315180 Relief Valve Refrigerant Pressure switches must match theThe Watts 0315180 (Series N240X 9) is a heavy duty, automatic reseating temperature and pressure relief valve designed for high capacity protection of commercial water heaters and large scale hot water supply tanks. Featuring a robust bronze body and a 1 inch NPT female inlet outlet, this valve is engineered to manage extreme thermal and overpressure conditions. It provides a massive 4,059,000 BTU hr steam discharge capacity at a 150 psi pressure