Warranties for new boilers

We supply and install a variety of different brands of domestic and commercial boiler depending on your location, budget and size of property.

We offer up to 10 years warranty on selected domestic boilers from Viessmann gas boilers and 5 years warranty on domestic oil boilers from Grant.


We now offer 10 years manufacturer backed warranty on all Viessmann Vitodens 100W gas boilers at no extra cost (usually £120.00 including VAT to upgrade from a 5 year warranty)

In addition we also now offer 7 years manufacturer backed warranty on all Grant oil boilers and a 10 year warranty on all Grant Blue Flame boilers.

We’re not called Clarity for nothing
Clarity Heating provide a no-nonsense, customer friendly, responsible boiler installation and repair service. Read more about our principles in this blog post from our founder Vince Rudgewick.
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How hard water hampers heating
Hard water is a fact of life in Cambridgeshire and East Anglia. In fact, many residents will be all too familiar with its impact on their kettles. But when it affects boilers or heating systems, you can’t just grin and bear it. That’s because hard
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A guide to header and expansion tanks
In the lofts of houses or business premises which are served by an older or traditionally designed heating system you’ll find two tanks. The smaller of the two is known as the header or expansion tank. These tanks can come in slightly different shapes and
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