Nerrad Jet Swet Pack 15mm + 22mm NTJS1522

Nerrad Jet Swet Pack 15mm + 22mm NTJS1522

Water-Flow Prevention Device is designed to temporarily isolate the flow of water in pipes to allow you to work on the removal, refitting or soldering of valves or fittings.

They can hold up to 75 PSI of pressure allowing heavy duty work to be carried out. You can stem the flow from a tank down service whilst removing/replacing the gate valves. Or in central heating, you can temporarily isolate the feed and expansion down service pipe.