Fenwal 35-615937-997 Ignition Module 322838-752 Always cross-reference the wiring diagram

Always cross-reference the wiring diagram located on the unit access panel for part number confirmation

55" WC but the switch remains electrically open

Compare the pin diameter and housing style of the existing harness to ensure a "plug-and-play" fit without the need for wire splicing

Safety Compliance: Prevents hazardous operation by monitoring the draft inducer vacuum and flue integrity

System Reliability: Restoring the moisture discharge cycle prevents slugging and protects expensive pneumatic tools from corrosion

Fenwal 35-615937-997 Ignition Module 322838-752 Always cross-reference the wiring diagramThe Fenwal 35 615937 997 is a microprocessor based Direct Spark Ignition (DSI) control engineered for a 24VAC input. This specific unit features an integrated OEM Captive Air inducer relay, ensuring the combustion blower establishes proper airflow before the ignition sequence initiates. Designed for rigorous HVACR environments, it offers a 60 second pre purge and a 60 second inter purge period to clear the combustion chamber, followed by a 15 second