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requiring no modifications to the existing bracket or electrical leads
It is not intended for use with high-voltage direct spark ignition modules from other families unless specified by the manufacturer
Key Benefits: Universal Performance: Specifically calibrated for a 115-165F temperature range to provide accurate thermal protection
Key Benefits for Technicians: Direct OEM Replacement: Drop-in compatibility for the 42-25105-01
How should the switch be oriented during installation
Lennox 33F37 Flame Sensor Els PW 17895 requiring no modifications to theThe Lennox 33F37 Flame Sensor is a critical OEM replacement part engineered to maintain the safety and operational sequence of residential gas furnaces. As an HVAC flame rectification probe, it generates a microamp signal to the furnace control board upon detecting heat, ensuring the gas valve remains open only when a pilot or burner flame is present. This high integrity sensor is functionally identical to part 33F3701 and serves as a direct