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A trip is typically caused by restricted airflow
it has failed and must be replaced
Always match the OEM rating for the specific furnace model
allowing for easy recalibration in the field
Armstrong Furnace R100684-04 Pressure Switch A trip is typically causedThe 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
US$ 29.95
US$ 131.00