System Protection: Actively prevents compressor failure by breaking the contactor circuit during low refrigerant events

10" WC to ensure the system only fires under optimal venting conditions

The unit is rated for ambient temperatures down to -40°F

or visible bulging on the capacitor casing

Fenwal 35-605601-203 Control Freon System Protection: Actively prevents compressorThe Fenwal 35 605601 203 is a professional grade 24V direct spark ignition (DSI) control module engineered for high performance gas fired heating systems. This microprocessor based HVAC ignition control provides precise timing sequences, featuring a 30 second pre purge to clear the combustion chamber and a 7 second trial for ignition (TFI) to ensure reliable burner start up. Designed with a durable Noryl gray fire retardant enclosure, this DSI module