Lennox 42J07 Limit Switch Manufactured from high-grade materials to

Manufactured from high-grade materials to prevent stem deflection during high-torque operations

How can I tell if my reversing valve solenoid has failed

Ensure a uniform stretch across the entire rack and verify that the blower is moving the rated CFM across the resistance heating coil to prevent high-limit tripping

this sensor features a robust dual-thermistor design contained within a stainless steel head to ensure high-precision temperature monitoring and reliable water level detection

it does not require a C-wire for basic functionality

Lennox 42J07 Limit Switch Manufactured from high-grade materials toAs an HVAC technician, you know that a reliable Lennox 42J07 Limit Switch is non negotiable for system safety and performance. This genuine OEM replacement part is an auto reset limit switch engineered to monitor internal plenum temperatures in a variety of Lennox residential and commercial units. Specifically designed as an L220 40F limit switch, it features a fixed temperature setting that triggers the circuit at a high limit of 220F and resets once