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This 12k Ohm resistance NTC sensor provides the real-time thermal feedback required for proper mod-con operation
This 5VA control transformer steps down a 120Vac primary voltage to a stable 24Vac secondary output
Enhanced System Efficiency: Optimizes motor amp draw by allowing the blower to operate at the most efficient point of the fan curve
Fenwal 35-615937-997 Ignition Module 322838-752 the tubing is blockedThe 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