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When performing a furnace repair or gas valve replacement
An ECM motor is significantly more efficient
Because the FDL6002 is a multi-horsepower 3/4 HP motor
Ensure the thermocouple is generating at least 25-30mV under load before replacing the magnet head
Lennox 80W58 Pressure Switch 320788-704 When performing a furnace repairFor service calls involving intermittent furnace shutdowns or inducer blower faults, the Lennox 80W58 Pressure Switch is the direct OEM replacement engineered to maintain system integrity. This single stage air pressure switch features a precise . 75" WC factory setpoint, critical for verifying proper draft and venting before the ignition sequence begins. Designed for compatibility with high efficiency Lennox, Armstrong, and Ducane gas furnaces, this
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