58L66 | 2-Burner Burner Assembly | Lennox Used on_B4/4S/B42/42S This fan limit switch is

This fan limit switch is designed to monitor the temperature of the unit heater and automatically shut off the fan if the temperature exceeds 135-30F (57-15

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58L66 | 2-Burner Burner Assembly | Lennox Used on_B4/4S/B42/42S This fan limit switch is2 Burner Burner Assembly: Lennox 58L66 The Lennox 58L66 is a 2 burner burner assembly designed to provide efficient and reliable combustion. This burner assembly is specifically compatible with Lennox furnaces and is engineered to meet the highest standards of performance and safety. Key Features and Benefits: Durable: Built from high quality materials to ensure longevity and reliable operation. Efficient Combustion: Optimized design ensures complete