Siemens VMP42.12(2) 1/2" is a 2-Way Valve Assembly only to control the small and efficient space by the HVAC assembly. This valve assembly provides efficient control of water or other fluids using a Cv of 1.17 and a 1/2" connection size. It is made of brass with lasting in any workplace conditions. #Siemens #VMP42.12(2) #2-WayValveAssembly #Siemensparts #PartsHnC #PartsHnCBuzz #HVA... https://www.partshnc.com/vmp42122-siemens-building-technology-2or3-way-12-npt-117cvvlvbody