Fenwal 35-655910-991 Module R-410A the core is likely restricted

the core is likely restricted and requires a refrigerant filter drier replacement

The White-Rodgers F825-0337 Aluminum Prefilter is a high-duty

the SPDT switch is rated for standard pilot duty and motor loads

please verify the specific requirements of your equipment before installation

Fenwal 35-655910-991 Module R-410A the core is likely restrictedThe 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