What is the primary benefit of the brazed copper extension

Key Benefits: OEM Precision: Genuine Rheem-Ruud replacement part ensures exact threading and terminal alignment

ensuring safe and reliable furnace operation

If the motor is verified functional but the control voltage is not reaching the motor leads

offering the high flexibility needed for high-vibration machinery

Armstrong Furnace R100684-04 Pressure Switch What is the primary benefitThe Armstrong Furnace R100684 04 Pressure Switch is a critical safety component engineered for precise inducer motor verification and flue gas management. This OEM replacement part is factory calibrated to a . 65"wc set point, ensuring the combustion blower is generating the necessary static pressure before allowing the ignition sequence to proceed. As a SPST (Single Pole Single Throw) switch, it provides a reliable normally open circuit that closes