Manufacturer Name: Resideo Product Number: V8043A1029 OEM Part Number: V8043A1029 The Resideo V8043A1029 Zone Valve is a dependable component designed to regulate water flow in hydronic heating systems. This valve, which has a 3/4" sweat connection and operates at 24V, provides efficient zone control by opening and closing to manage hot water flow. It has a flow coefficient of 3.... https://www.partshnc.com/v8043a1029-resideo-34%22swt-24v-nc-35cv-zone-vlv