OSO Boilers

The Oso 20 series is a stainless steel unvented cylinder specifically manufactured for UK water conditions and regulations. Manufactured from a superior high quality corrosion resistant Super Molybdenum Stainless Steel, it comes with a 25 year cylinder guarantee.

Grant Boilers

Grant has an established history of over 35 years designing, manufacturing and supplying highly efficient, reliable heating products. Grant has become a favourite for many householders and engineers, when choosing a new or replacement heating system. Grant’s core focus is to provide eco-friendly solutions to the problem of rising energy costs and CO2 emissions.

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