Lennox 18K44 Limit Switch Els PW 17895 5 tons when used with

5 tons when used with R-22

Multi-Speed Management: Precise relay switching for PSC and compatible blower motors

it includes the necessary components for spark ignition and pilot flame stabilization

DPST switching for dual-line 240V heating control

Lennox 18K44 Limit Switch Els PW 17895 5 tons when used withThe Lennox 18K44 Limit Switch is a high reliability OEM replacement normally closed safety control designed for precise thermal management in residential gas furnaces and air handlers. This auto reset limit switch is engineered to maintain system integrity by monitoring internal plenum temperatures. It is calibrated to an open on rise (cut out) setpoint of 280F to prevent thermal overload and a close on fall (cut in) setpoint of 250F for automatic