Fenwal 35-605311-221 Module 322838-754 Technicians should verify the seal

Technicians should verify the seal integrity to ensure optimal HVAC combustion efficiency and quiet operation

making it a standard component for hydronic heating maintenance and boiler safety upgrades

the plastic enclosure is optimized for air-side applications

Standardized Ports: Features the factory-correct tappings for equalizing pipes and blow-down valve integration

What causes a draft pressure switch to trip besides a mechanical failure

Fenwal 35-605311-221 Module 322838-754 Technicians should verify the sealUpgrade your gas fired appliance's reliability with the Fenwal 35 605311 221, a microprocessor based Direct Spark Ignition (DSI) control specifically engineered for precision and safety. This 24 VAC module replaces older, less stable ignition boards in furnaces, boilers, and water heaters, offering a robust 30 second pre purge cycle to clear the combustion chamber before the 4 second Trial For Ignition (TFI). As a veteran grade gas ignition module, it