This unit features standard lead wires for the 120V primary and 24V secondary connections

Its durable construction meets stringent factory specifications

The unique seal cap allows for valve operation without cap removal

The ZP charge is specifically calibrated for low-temperature applications to provide rapid response and prevent compressor floodback during startup

Optimized for low-temperature regulation

Lochinvar & A.O. Smith 100277755 Pressure Switch 318423-701 This unit features standard leadThe Lochinvar & A. O. Smith 100277755 Pressure Switch is a mission critical component engineered for precise atmospheric monitoring in high efficiency boilers and water heaters. Calibrated to a . 95" WC (Water Column) set point, this OEM replacement pressure switch ensures the inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC induction switch, it is designed to prevent