Johnson Controls P74DA-10 Pressure Control 30067439-890 58" WC Calibration: Specifically engineered

58" WC Calibration: Specifically engineered to match the OEM airflow specifications of Reznor heating systems for accurate safety circuit activation

Durable Construction: High-quality cast iron housing ensures long-term structural integrity in demanding environments

ensuring the heater activates when the compressor is idle

Includes a Teflon diaphragm cartridge for superior chemical resistance and thermal stability

maintaining the integrity of chilled water

Johnson Controls P74DA-10 Pressure Control 30067439-890 58" WC Calibration: Specifically engineeredDifferential Pressure Control, DPST, Close on Pressure Increase, 8 Psi to 70 Psi, 7 Psi to 30 Psi Adjustable Differential, 1 4" Npt Connection