The CALEFFI SOLAR® product range has been specially developed for use in solar thermal systems, where high temperatures can normally be reached and materials and performance of the components must necessarily take into account these particular operating conditions.
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The Water Regulations Advisory Scheme (WRAS) Approval demonstrates that a particular product is compliant with Water Supply (Water Fittings) Regulations or Scottish Byelaws.
With the proliferation of storing water at high water temperatures i.e. above 60°C or having a storage vessel capable of storing hot water at a temperature exceeding 80°C valves capable of reducing the water supply temperature to a more acceptable distribution temperature must be fitted adjacent to the hot water storage vessel.
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