Lennox 42J07 Limit Switch necessitating a partial drain of

necessitating a partial drain of the isolated circuit

Will this work with non-Fenwal ignition modules

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

ensuring underlying airflow issues are addressed

the internal spring is precompressed

Lennox 42J07 Limit Switch necessitating a partial drain ofAs 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