Click image to view full size image
As one of the most professional 28mm 2 port zone valve manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale custom made 28mm 2 port zone valve from our factory.
link:http://www.hengsen-sc.com/hvac-valve/zone-valve/28mm-2-port-zone-valve.html
28mm 2 Port Zone Valve