Lennox 52M42 Limit Switch Refrigerant the PCBBF145S offers a direct-fit

the PCBBF145S offers a direct-fit solution that eliminates the need for complex field modifications

install the valve in a vertical orientation with the solenoid coil facing upward

ensuring reliable performance in most high-head circulating systems

it can be mounted to linked valves using the appropriate Schneider Electric linkage kits

For contractors performing boiler pump replacement or system maintenance

Lennox 52M42 Limit Switch Refrigerant the PCBBF145S offers a direct-fitThe Lennox 52M42 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces. As a genuine Lennox OEM replacement part, this 180 40F auto limit switch is engineered to monitor heat exchanger temperatures, effectively preventing hazardous overheating and potential equipment damage. This furnace high limit switch features a fixed set point of 180F for the opening temperature and an automatic