To ensure signal integrity and prevent internal damage

contractors can extend the service life of the backflow preventer without requiring a full valve replacement

Key Benefits for Technicians Enhanced System Stability: Maintains a 100% liquid seal to the expansion valve

Enhanced Airflow Efficiency: Optimized blade geometry ensures maximum CFM delivery and superior static pressure handling

Utica-Dunkirk 14622011 Relief Valve 321042-401 To ensure signal integrity andFor veteran HVAC technicians and mechanical contractors service maintaining hydronic heating systems, the Utica Dunkirk 14622011 Relief Valve is the specified OEM replacement part for ensuring critical overpressure protection. This 3 4" relief valve 30# is engineered with a high grade durable brass construction, designed to withstand the rigorous thermal cycles of residential and commercial boiler operations. With a fixed pressure rating of 30 PSI and