Resideo V4043A1705 Zone Valve 318518-761 the URD-14 is designed to

the URD-14 is designed to interface seamlessly with most 24VAC zone systems

45" OD is calibrated to maintain specific blower RPMs when paired with standard sheaves

77" WC rating while the inducer is running

extending the functional life of your equipment

or cracks in the ceramic insulator

Resideo V4043A1705 Zone Valve 318518-761 the URD-14 is designed toThe Resideo V4043A1705 Zone Valve is a heavy duty 120V motorized valve designed for precision control of hydronic systems. Featuring a 3 4" NPT connection and a Normally Closed (NC) configuration, this unit utilizes a spring return mechanism to ensure positive closure during power loss. With a 3. 5 Cv flow capacity and a 20 PSI maximum close off pressure, it is engineered for standard residential and light commercial boiler loops. The brass body,