This genuine factory OEM dual air pressure switch functions as an essential safety control within select high-efficiency multi-stage condensing gas furnaces. Specifically engineered to monitor draft pressures within the combustion collector box and exhaust venting, it ensures the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed.
The component is factory calibrated with specific dual pressure thresholds ranging from -0.1 to -1.27 inches water column, adapting immediately to variable heating demands across both low and high-stage furnace cycles. It serves as an exact replacement part for popular Goodman, Amana, and Janitrol models, including the GMSS96 and GCSS96 furnace series, satisfying professional service standards.
Failing pressure switches can prevent a heating system from firing or trigger intermittent fault codes, leaving properties without vital heat. Installing this exact replacement item maintains proper equipment safety limits, protects the heat exchanger from poor draft conditions, and restores dependable automation for residential or commercial heating setups during severe winter conditions.
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