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Complete Restoration: Ideal for preventative furnace maintenance or when performing full inducer assembly overhauls to prevent gas or condensate leakage
5-inch 22 AWG pigtails for fast wiring termination
SPST normally closed switch is engineered to open the circuit at a 190-degree F fixed temperature
it ensures seamless compatibility when servicing older equipment
Can I cut the 48-inch rod to a shorter length in the field
Lennox 18J37 Limit Switch Complete Restoration: Ideal for preventativeThe Lennox 18J37 Limit Switch is a critical safety component engineered for high performance thermal regulation in residential and light industrial furnaces. As a normally closed disc style limit control, this genuine OEM Lennox replacement part is specifically designed to prevent heat exchanger damage by interrupting the burner circuit if internal temperatures exceed safety thresholds. Featuring a yellow color coded sleeve for rapid field
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