Johnson Controls VG7481ET Valve Body Union Switch 1.8Cv Normally Closed 1/2"

The Johnson Controls VG7481ET is a normally closed union switch valve body specifically used in hydronic heating and cooling systems, which are used in most HVAC applications. The term normally closed means it will remain closed till the signal is given to open until it will be close by itself. The VG7481ET is constructed from cast bronze and has a union switch connection where a shut off valve and a pressure or temperature switch are integrated. This makes its installation easier and also minimize the chances of leakage. Union switch valve bodies are utilized in hydronic HVAC systems for regulating water flow through items such as the VG7481ET.