We have had to replace a few boilers recently and thankfully at £2000 a go it isn’t something you want to do often. Inevitably the question arises about how long a combi boiler should last.
It depends on the make, model, its use, its maintenance and servicing. The minimum expected lifespan of a combi boiler is 12 years. Glow-worm boilers are designed for a minimum expected use of 15 years and Worcester Bosch Greenstar boilers have an average lifespan of 12-15 years. That said, we have heard of boilers still working after 40 years! However it is important to ensure the boiler has annual servicing and maintenance throughout its life.
All boiler manufacturers offer a minimum of a two year parts and labour warranty and in some cases up to five years. Worcester Bosch boilers come with a ten year warranty on the primary heat exchanger and a five year anti-scale guarantee on the domestic hot water heat exchanger. If you use an accredited installer you can benefit from an extended guarantee – in the case of Worcester Bosch five years.
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