It features a broad pressure range of 12" WC to 50 PSI and an adjustable differential of 5 to 35 PSI

provided the service technician applies the correct conversion factor to the flow (SCFH) based on the specific gravity of the gas

Universal Application Support: Suitable for everything from irrigation and sump pump drainage to high-level alarms and steam generator feedwater management

System Signal Integrity: Maintains factory-spec electrical resistance to ensure accurate relay chatter prevention and motor starts

EWC Controls URD-14 Damper 318518-761 It features a broad pressureFor high performance zone control, the EWC Controls URD 14 Damper delivers professional grade reliability and precision airflow management. Built for contractors who require a robust solution, this 14 inch round motorized damper features an integrated Poron sealing gasket and a double layered blade design, ensuring a tight seal with less than 2% leakage even in systems with higher static pressures. The 24 gauge galvanized steel construction,