Coldstream Why Choose Coldstream?

Over 10 years GAH have developed and invested in quality systems to meet our customers demands, the range of accumulators sold under the trade name Coldstream are supplied by Global Water Solutions based in Boston USA and are one of the largest pressure vessel manufacturers in the northern hemisphere. Their quality, design and performance are second to none.

GAH are one of only two companies based in the UK distributing and marketing the challenger and C2 range of accumulators with the support of Global Water Solutions. Listed below are some of the main features of the challenger and C2 range of accumulators

GAH’s continuous research and design ensures our quality and reliability whilst offering the highest standard our customers have come to expect. The use of accumulator technology to increase flow rates on domestic main supplies is simple, proven technology.

Challenger Series Features
  • Steel accumulator vessel
  • Patented CAD2 diaphragm technology
  • FDA approved Chlorine resistant 100% butyl diaphragm
  • Air buffer design reduces the risk of condensation within the vessel
  • Stainless steel port connection and diffuser agitates water entering
    the vessel
  • Two part polyurethane, epoxy primed cream paint finish
  • Leak free air valve cap housing shraider valve
  • Comprehensive testing
  • WRAS approved - approval number 0606070
  • No maintenance
C2 Range Features
  • Unique 3 piece construction composite vessel design
  • Patented CAD2 technology
  • FDA approved Chlorine resistant 100% butyl diaphragm
  • Reinforced plastic connection
  • Rugged copolymer polypropylene base
  • No sweat/ condensation design
  • Weather resistant and engineered to withstand extreme environmental conditions
  • Comprehensive testing
  • WRAS approved - approval number 0703139
  • No maintenance