Lennox 18J37 Limit Switch 5-inch 22 AWG pigtails for

5-inch 22 AWG pigtails for fast wiring termination

and Janitrol air handlers and condensers

Common Questions: Is the 632401R compatible with Miller or Intertherm furnaces and heat pumps

Complete Restoration: Ideal for preventative furnace maintenance or when performing full inducer assembly overhauls to prevent gas or condensate leakage

it ensures seamless compatibility when servicing older equipment

Lennox 18J37 Limit Switch 5-inch 22 AWG pigtails forThe 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