BS1212 float valves are available in sizes from 1/2" up to and including 2".
All valves have a BSP male inlet stub to allow pipework fitting.
Std valve with the addition of a brass threaded drop arm to allow the valve to be fitted into a raised float valve housing c/w spill over weir slot to provide an AB or AA air gap to suit systems where catagory 5 water is present.