Reznor 270390 Pressure Switch 318518-761 Reliable Operation: Electronic protection and

Reliable Operation: Electronic protection and Class B insulation support long-term reliability in high-cycle airflow applications

This valve utilizes a 5/8" ODF connection and features a factory-preset 210 PSI setting to ensure your system maintains a stable pressure differential across the expansion valve

Precision Airflow: The 28-degree pitch is calibrated for maximum heat dissipation in high-efficiency condenser fan blade assemblies

removing the need for field modifications or bracket adjustments

most technicians recommend a new 5 MFD / 370V run capacitor to ensure the motor starts under load without overheating

Reznor 270390 Pressure Switch 318518-761 Reliable Operation: Electronic protection andThe 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