12 Year Boiler Warranty


RJS Heating has secured 12-Year warranties on on Ariston's Clas HE evo and Clas HE System evo high efficiency boilers. They are supported with by 24/7 customer service from Ariston.

Clas HE evo boilers are said to have best-in-class NOx emissions and offer efficiencies of up to 90%, with outputs ranging from 12 to 38kW. The Clas HE System evo is available in outputs from 18 to 30kW. All boilers utilise a stainless steel heat exchanger alongside an AUTO function which monitors the ideal temperature for the heating system – reducing peaks in flow temperature and optimising efficiency.

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