Featuring a 1/8" NPT inlet and outlet

essential for meeting manufacturer specifications and maintaining peak appliance safety

it provides the necessary airflow modulation for optimized static pressure management

Each kit uses unique addressing

How do I verify if the 4681AR1437B is the correct motor for my unit

Fenwal 35-605311-221 Module 319847-401 Featuring a 1/8" NPT inletUpgrade 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