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Built with a corrosion-resistant one-piece steel motor shaft and moisture-proof windings
this is an auxiliary switch designed for pilot duty and control signals
Maintains optimal product flow and prevents ice buildup on the evaporator assembly
5-inch diameter base that eliminates mechanical play in MP953 actuator setups
Lennox 18J37 Limit Switch Built with a corrosion-resistant one-pieceThe 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
US$ 26.86
US$ 41.76
US$ 51.86