John Guest Non-return Valve - 12mm Push-On Fitting lights - Retrofittable to upgrade your

- Retrofittable to upgrade your old 4 seasons hatch

Twist and Lock Range

Zn-Ni and e-coat finish for improved corrosion resistance

Engineered for Australian conditions

while still being hard-wearing

John Guest Non-return Valve - 12mm Push-On Fitting lights - Retrofittable to upgrade yourPush 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.