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Designed for multi-refrigerant versatility
it can safely replace 370V versions while providing increased dielectric strength
With the power disconnected and the switch at room temperature
It provides the necessary mechanical interface (crankarms and ball joints) to translate the rotational movement of a damper actuator into the linear or offset motion required to drive the damper shaft
Armstrong Furnace R42640-001 Ignitor/Sensor 30067439-890 Designed for multi-refrigerant versatilityThe Armstrong Furnace R42640 001 Ignitor Sensor is a critical OEM replacement part designed for precise ignition and flame rectification in residential HVAC systems. Engineered as an ignitor sensor less pilot assembly, this component ensures reliable burner cycles by providing the necessary spark and feedback signal to the furnace control board. Transitioning to a high performance silicon nitride ignitor configuration often improves longevity over
