Female Iron Non Return Valve extension Brass Compression fitting should not

Brass Compression fitting should not be used for below ground applications

working on the principal of capillary action when heated

MAximum Temperature is stated at 95° C The TIG longitudinally butt welded aluminium core with an inner and outer PEX layer is absolutely diffusion tight and reliably prevents the ingress of oxygen into the pipe

Unlike traditional fittings that rely on soldering or threading

Female Iron Non Return Valve extension Brass Compression fitting should notDESCRIPTION: A Non Return Valve allows liquid to flow in one direction only. The valve is only opened when there is a flow of water, thus if the flow stops or if there is a back flow of water the valve closes. The spring check non return valve can be used vertically, horizontally or in oblique angles; an arrow is stamped on the body to indicate the direction of flow. Valves are available with both female BSP threaded connections ranging in size from 1