ensuring safe and reliable furnace operation

making it an ideal choice for placement in the air stream where rapid thermal response is required

and PFS013

What is the primary benefit of the brazed copper extension

Armstrong Furnace R100684-04 Pressure Switch ensuring safe and reliable furnaceThe 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