1/4″ BSP (British Standard Pipe) Mater Pressurestat, 0.5 to 1.2 bar. For more info on the BSP system:
http://en.wikipedia.org/wiki/British_Standard_Pipe
1/4″ BSP (British Standard Pipe) Mater Pressurestat, 0.5 to 1.2 bar. For more info on the BSP system:
http://en.wikipedia.org/wiki/British_Standard_Pipe