John Guest Brass Pipe Fitting, Straight Push Fit Coupler, Male 1/2in to Female 15mm

Male brass thread to plastic push-in connector:

Suitable for central heating systems
Push-fit and demountable connections
Corrosion free
No scale build up
BSI and WRAS approved

Mains fed and indirect cold water systems
Vented and unvented hot water systems
Vented and sealed central heating systems

SpeedFit Push-in Fittings

Speedfit® valves, connectors and couplers, made from Acetal and suitable for hot and cold water systems operating up to 65°C. May be used with 15mm copper or polyethylene pipe. Maximum working pressures are 12 bar at 20°C and 6 bar at 65°C. Unsuitable for use with stainless steel pipe.