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Rosewood paper grain — description and returns beneath the overlapping buy card.
70" wc trip point required by the manufacturer is maintained
The 46X12 is the current production standard for all 46X1201 applications
Quiet Operation: The resilient cradle base absorbs mechanical harmonics
it features a keyed shaft design to ensure positive drive and consistent 3rd generation performance
always verify the WC set point on the existing switch label before installation
Reznor 270390 Pressure Switch 321894-709 70" wc trip point requiredThe Reznor 270390 Pressure Switch is a critical OEM safety component designed for precise differential pressure sensing in unit heaters and HVAC systems. Known by its distinctive Brown Label, this switch ensures proper venting and combustion airflow before allowing the ignition sequence to proceed. As an essential HVAC replacement part, it is engineered to meet OEM specifications for Reznor gas fired equipment, providing the reliable performance