John Guest 12mm or 15mm Push Fit Shut Off Valve
This John Guest style shut off valve uses the push fit pipe connector system to accept either a semi-rigid 12mm or 15mm water pipes.
These are compatible with both hot and cold water systems and are compliant with drinking water.
With the 12mm shut off valve it is recommended that you use with John Guest 12mm Pipe Inserts with this fittings to ensure that the pipe can't work loose over time. These are not yet available from us in the 15mm size.