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Replacing System Boiler Gas

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foxyferret | 12:55 Tue 14th Nov 2023 | Home & Garden
8 Answers

Our ancient Potterton 60e has become irreparable so we need a new gas boiler. Not combi or condenser as last year our hot water tank in the airing cupboard leaked through the ceiling so we spent about £1800 on a new tank. I think it may be called a system boiler.We have a budget of £2500 max and after trawling the internet are bamboozled by different makes, costs, efficiency etc. can anyone recommend a good make with a 10 year guarantee (some cheaper ones only have 5 or 7) for a 4 bed detached property with 2 showers and 1 bath, 12 radiators. We are very cold and because the immersion heating won't come on, we have no hot water. Any help very appreciated.

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A traditional boiler features an immersion cylinder and a gravity top-up cistern in the roofspace.

A system boiler is different in that it's unvented. i.e. it's supplied directly from the mains.

Are you sure you have an unvented immersion cylinder?

Question Author

Yes, installer of cylinder said it was invented.

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Sorry unvented

Question Author

We have 2 expansion tanks above the cylinder

 

Question Author

There is no tank in the loft

Ok. It's tempting to overthink this Foxy. Boilers have improved greatly even over the last 10 years. There really isn't  a lot in it nowadays.

The big names: Ideal; Worcester Bosch; Vaillant; Grant, plus some of the lesser know names: Vogue; Viessman; Alpha. They can all offer 10 year warranties.

I would be much much more inclined to concentrate on the installer. Recommendations certainly. Look for someone you're comfortable with . Someone who really cares about their work (yes, they do exist.)

The best boilers in the world can still be messed up by incompetent installation and indifferent follow-up.

Good luck 😀

The last property I lived in had a Potterton 100e combi-boiler (I think rated 30kW) and that was a 3 bedroom end of terrace house.  I would say that your 60e model, well under rated for a four bed detached house.

 

Boilers can be purchased for less than £1,000 – so the cost of install will eat up most of your budget.  Back in around the year 2000 my then boss had a combi-boiler replacement done, he shopped around and managed on a total budget of £1,500.  What with inflation I think you will do well to get it done for £2,500.

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Thank you both for your answers. I have managed to source a Vaillant boiler with an installer with good reviews on Trustpilot for £2,300.00. Fingers crossed all will be well, everything seems to be a bit of a lottery these days. Much appreciate you responding.

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