Oso Delta Coil 300 Litre A Rated Indirect Unvented Cylinder

Save £168.19

Sale price£1,681.93 Regular price£1,850.12


OSO Delta is the most efficient cylinder on the market, and is the first "A" rated water heating product available across a full range of capacities. Delta achieves an "A" rating through minimisation of standing heat losses by using vacuum insulation panels (in an industry first) combined with 4th generation foam insulation.

  • Full "A" rating across the range, in accordance with the ErP directive
  • The most efficient cylinder on the market
  • Helps housebuilders achieve SAP energy requirements
  • *25 Year Guarantee on Tank - parts 2 yrs

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