Auburn E5-I-18 Ignitor 321702-401 An open circuit during a

An open circuit during a cold state indicates a failed switch that requires immediate replacement to restore furnace operation

this trap can be adjusted to maintain its horizontal operating position regardless of the pipe direction

Durable Construction: Built with industrial-grade materials to withstand the thermal cycling typical in commercial HVACR environments

As a manual reset (M/R) control

Auburn E5-I-18 Ignitor 321702-401 An open circuit during aThe Auburn E5 I 18 Ignitor is a high performance industrial spark plug and ignition electrode engineered for reliable combustion in commercial HVACR and heating systems. Specifically designed for commercial boiler ignition and high heat process burners, this 18mm reach component features a durable alumina insulator and a high alloy center electrode for superior heat resistance. As a critical gas burner igniter replacement, the E5 I 18 ensures