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Grant Vortex Pro External Combi review

£2,750.00 Typical price

Brand scoreShow Context

Key features
  • Oil
  • Combi

The Vortex Pro External Combi  includes diagnostic indicator lights and an internal condensate trap. These oil-fired boilers are designed for installation outdoors, saving you valuable space in your kitchen. But are Grant boilers reliable? Read our full review to find out.

Included in our expert review
  • Pros and cons
  • Heating Engineer reviews
  • Boiler owner views and reliability
  • What type of home is this boiler suitable for?
  • How efficient is this boiler?
First month only £5, then £9.99 per month, cancel any time

Last checked by Which?

September 2021

First reviewed by Which?

January 2020

Released

January 2009

Brand scores

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we assess boilers>
First month only £5, then £9.99 per month, cancel any time

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Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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