McDonald Water Storage are the UK's most experienced manufacturer of Copper Hot Water Systems. We manufacture a wide range of products - Vented, Unvented, Thermal Stores, Calorifiers, Plumbing Units, Solar Cylinders, Heat Pump Cylinders, Back Boilers, Rectangular Tanks, Electric Wet etc. We manufacture for many large contracts but additionally our speciality, is making tailor made cylinders to customer's exact requirements. For most of our products, we use Copper as it has been used for millenia! It's resilient, recyclable and extremely healthy. It does not harbour microbiological growth such as Legionalle and E-Coli. Copper is still the best choice for hot water storage!