We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies as per our policy which also explains how to change your preferences.

Grant Vortex Boiler House 15-21 (red cased) review

£1,935.00
Launched Assessed -
or

Try Which? for £1 to reveal the products that perform

Typical price

£1,935.00

This Grant Vortex Boiler House 15-21 (red cased) boiler is a 21kW oil condensing heat only boiler from Grant. It comes with a 2 year warranty which should protect you if the worst happens. Read our review to find out if Grant boilers are reliable and what expert heating engineers think of them.
Is it worth your money?
Or is it a waste of cash?
  • Efficiency rating

    score is available for members only
  • Brand reliability

    score is available for members only
  • Brand customer score

    score is available for members only

The Which? difference

As well as thousands of impartial product reviews from our Test Labs, a Which? membership also gets you:

  • Unlimited access across which.co.uk
  • Advice on the move with our apps
  • Which? magazine delivered to your door
  • The inside scoop on important issues, from scams to savings accounts

Which? can help you make good decisions