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Always verify your incoming L1 and L2/Neutral with a multimeter before landing your wires
This part is compatible with a wide range of models
it includes the integrated sensing bulb required to monitor suction line temperature for automatic flow adjustment
The Burnham Boiler 81156012 Filter is a critical OEM replacement air filter specifically engineered for high-output combustion systems
Lennox 33H78 Limit Switch 318518-761 Always verify your incoming L1The Lennox 33H78 Limit Switch is a critical OEM furnace safety control engineered for precise thermal monitoring in residential and commercial Lennox heating systems. Labeled with an L130 20F temperature rating, this high limit switch is designed to open the electrical circuit at 130F and automatically reset when the temperature drops 20F. As a vital HVAC replacement part, it prevents heat exchanger damage and hazardous conditions by interrupting the