System Safety: Restores proper combustion airflow to prevent premature heat exchanger fatigue and safety switch tripping

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

technicians can maintain precise flow modulation without the cost of a full valve body replacement

this is the factory-specified replacement for several boiler series under the Dunkirk and Utica Heating family

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

EWC Controls URD-14 Damper 318518-761 System Safety: Restores proper combustionFor 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,