Fenwal 35-655910-991 Module Els PW 17895 While this specific model features

While this specific model features a standard adjustable interface

Key Benefits Precise 24VAC Output: Ensures stable power delivery to thermostats and ignition controls

provided it is shielded from excessive vibration and maintained below the 176°F operating threshold

The B1755917HDF is the current factory-authorized successor to the B1755917H

Fenwal 35-655910-991 Module Els PW 17895 While this specific model featuresThe 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