Lennox 42J07 Limit Switch Calibrated to a fixed setpoint

Calibrated to a fixed setpoint of -0

When diagnosing furnace limit switch tripping issues in Goodman or Amana units

Engineered for high-performance mechanical environments

ensuring underlying airflow issues are addressed

Using it on larger shafts will lead to binding or mechanical failure

Lennox 42J07 Limit Switch Calibrated to a fixed setpointAs 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