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Range selection is managed via internal jumpers or dip switches on the circuit board
Key Benefits Precise Calibration: Factory-set 325 PSI high-limit trip point prevents equipment damage without the drift common in aftermarket controls
Optimized Combustion: Maintains the exact CFM required for high-efficiency heat transfer and safe operation
ensuring broad refrigerator and AC part compatibility
Nordyne 632550R Pressure Switch 320735-701 Range selection is managed viaThe Nordyne 632550R Pressure Switch is the genuine OEM replacement for the legacy 632550 model, specifically engineered for high efficiency Nordyne furnace units and related HVAC systems. As a critical safety component, this normally open (NO) pressure switch is factory calibrated to a 1. 0" WC make and 0. 7" WC break setpoint. It utilizes a negative pressure diaphragm to verify the draft inducer motor is generating sufficient static pressure before
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