Armstrong Furnace R42640-001 Ignitor/Sensor Els PW 17895 Direct-Acting Performance: Optimized for direct-acting

Direct-Acting Performance: Optimized for direct-acting configurations to ensure linear force is applied accurately to the valve stem

Ensure all surfaces are cleaned and the solenoid base is tightened using the provided wrench to prevent mechanical vibration

ideal for high-temperature boiler water level controls

This specific model is designed for 24V alternating current (AC) systems

The P32AC-1 is primarily designed as an operating control for general HVAC air sensing

Armstrong Furnace R42640-001 Ignitor/Sensor Els PW 17895 Direct-Acting Performance: Optimized for direct-actingThe 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