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Engineered as a direct fit for Goodman and Amana GUN-B and GUS series furnaces
providing a significant safety margin for standard HVAC inductive loads
allowing for higher flow rates and larger port sizes compared to direct-acting models
causing the plenum temperature to exceed the 140°F safety limit
The "S" in this model is specifically for steam solenoid valve applications
Fenwal 35-655706-017 Control 321894-706 Engineered as a direct fitThe Fenwal 35 655706 017 is a specialized 24 VAC microprocessor based Hot Surface Ignition (HSI) control designed for rigorous performance in gas fired HVAC equipment. Engineered for rapid response, this 24V gas ignition module features a 4 second heat up time for the mini HSI element, ensuring fast burner engagement. As part of the Series 35 65 family, it integrates advanced safety logic, monitoring the demand for heat, combustion blower operation,