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015" of parallel misalignment
This control is primarily used for low-pressure cut-out
ensure the unit is mounted according to the specific orientation indicated in the technical service manual
When replacing Model HD46GK230
Reznor 270389 Pressure Switch 321142-301 015" of parallel misalignmentThe Reznor 270389 Pressure Switch is a critical safety component calibrated to a . 33" WC set point, specifically engineered for Reznor unit heaters. This differential air pressure switch monitors the pressure drop across the heat exchanger, ensuring the induced draft blower is operating at the correct static pressure before allowing the ignition sequence to proceed. As a genuine OEM Reznor replacement part, it maintains the precise factory
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