Lennox 52M74 Rollout Switch Part number 400088 is the

Part number 400088 is the unique UPC/manufacturer code for the standard C-033 Catch-All series drier

OEM Precision: Calibrated specifically to a 0

Environmentally Sealed: Achieves an IP65 rating to prevent short circuits caused by condensation or external fluid leaks

Key Benefits Universal Compatibility: Specifically designed for 1/8" OD tubing used in Honeywell Home and Resideo pilot burner assemblies

this component is critical for dissipating latent heat from the venter assembly

Lennox 52M74 Rollout Switch Part number 400088 is theThe Lennox 52M74 Rollout Switch is a critical safety component designed for precise over temperature protection in Lennox furnace units and residential HVAC systems. As a Single Pole Single Throw (SPST) switch, this manual reset flame rollout switch is engineered to interrupt the ignition circuit when it detects temperatures reaching the 320 degrees F threshold. This prevents hazardous conditions resulting from heat exchanger failure or flue