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The Lennox 20J91 Flame Sensor is a critical component designed for gas furnaces, enhancing safety and efficiency in heating systems. This sensor ensures that your furnace operates with reliable flame detection, preventing hazardous gas leaks.
This flame sensor is crafted to withstand the demanding conditions of furnace operation and is compatible with specific Lennox furnace models. Its durable construction guarantees longevity and reliability.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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