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Contractor Grade: Durable construction designed to withstand the high-cycle demands of residential HVAC systems
extending the system's service life
ensuring that the flue gases are properly venting before the ignition sequence initiates
System Protection: Acts as a primary refrigerant safety switch to prevent compressor overheating and liquid slugging during low-side pressure drops
and the lead-free equivalent LF100XL-075210-3/4
Lennox 18K44 Limit Switch Els PW 17895 Contractor Grade: Durable construction designedThe 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
US$ 224.50
US$ 224.50
US$ 224.50
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US$ 224.50