Compression Combined Non Return & Isolation Valve extension Each stainless steel pressure sleeve

Each stainless steel pressure sleeve features inspection windows which provide for installer joint reassurance

7mm (IR½”) and 22mm (which includes both 1/2" Normal and Heavy Gauge PE) and therefore provide for the uniting of pipes both similar and dissimilar in sizes

The sizes above are Metric

working on the principal of capillary action when heated

These are located over a printed disk which can be rotated to a fixed position to indicate the manifold branch service

Compression Combined Non Return & Isolation Valve extension Each stainless steel pressure sleeveDESCRIPTION: 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