PSS Homepage Domestic Heating Commercial Heating Heating Controls Hot Water Cylinders Oil Tanks Radiators Solar Heating Underfloor Heating Water Heating General Plumbing Bathrooms Commercial Chinaware Macerators Shower Products Taps Towel Warmers Renewable Energy Commercial Catering Pay securely online using Protx. Products  |   Domestic Heating  |   Central Heating Boilers  |   Oil Condensing Boilers  |   Grant  |   Duowave Twin Coil Cylinders Grant Duowave Solar Cylinders Available in 200, 250, 300 & 400 Litre capacities. Manufactured from high quality corrosion resistant stainless steel. Insulated with of CFC free, fire retardant polyurethane foam, to keep heat loss to a minimum. Internal coils are constructed from 22mm stainless steel, giving high efficiency as well as quick recovery. Flow rates can be as much as 55 litres per minute at 2.1 bar pressure (depending upon the incoming flow rate available). All cylinders are 580mm in diameter. 2-year guarantee on all electrical and mechanical components supplied with the cylinder. 25-year guarantee on the stainless steel cylinder shell. Advanced  Bob says...

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