Direct OEM Compatibility: Engineered for precision fitment in York

a high-temperature rated valve body should be specified

meaning the circuit completes only when the 24V coil is energized

it is specifically engineered for continuous operation in building automation systems (BAS) and industrial control environments

Fenwal 35-655910-991 Module Els PW 17895 Direct OEM Compatibility: Engineered forThe Fenwal 35 655910 991 is a robust 24 VAC Hot Surface Ignition (HSI) control module engineered for precise sequencing in gas fired furnaces, boilers, and commercial heating equipment. This micro processor based control manages the combustion blower, ignitor, and gas valve while providing continuous flame monitoring. Designed for field replacement and OEM applications, it features a 45 second prepurge and interpurge cycle to ensure the combustion