Boilers: Compare features & prices Potterton Promax 18 SL review http://www.which.co.uk/home-and-garden/heating-water-and-electricity/reviews/boilers/potterton-promax-18-sl/review/
The Potterton Promax 18 SL is a heat-only boiler designed for the space-pressed three-bedroom family home that uses a separate storage cylinder to provide its hot water. Our full review will help you decide whether this boiler can provide the heating power you need, and whether Potterton boilers are reliable.
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