John Guest Non-return Valve - 12mm Push-On Fitting lights fully open)

fully open)

Thinner inserts will need to be packed out

before running wires through back and clip lens into place

These should not be adjusted too tight

Engineered for Australian conditions

John Guest Non-return Valve - 12mm Push-On Fitting lights fully open)Push on fitting to allow flow in one direction only. Join two sections of 12mm red black or blue pipe. Easy to use Push fit technology Quick disconnection, no tools needed! Working Pressures and Temperatures: 10 Bar at 20C 7 Bar at 65C intermittent hot water Minimum temperature 1C Typical crack open pressure 0. 02 Bar Push on fitting to allow flow in one direction only Not recommended for compressed air and vacuum uses.