Lennox 85G42 Wiring Harness Safety Integrity: Prevents catastrophic heat
Baker’s notes & crumb story
Description
Safety Integrity: Prevents catastrophic heat exchanger failure by monitoring air temperature at the most critical point in the plenum
but always verify with a multimeter during installation to ensure proper 24V output
this limit switch protects the heat exchanger and blower motor from overheating conditions
Common Maintenance Questions What is the primary function of the HTR15188 in a Trane system
Lennox 85G42 Wiring Harness Safety Integrity: Prevents catastrophic heatLennox 85G42 Wiring Harness 85G42 is identical to 85G4201