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Should I change electric water boiler to combi or keep electric if I have solar panels?

Discussion in 'Plumbing and Central Heating' started by wwr, 1 Feb 2021.

  1. wwr


    1 Feb 2021
    Thanks Received:
    United Kingdom
    Hi all, I would appreciate advice from people who know their way around boilers or had similar issue. I would be using professionals to do the work but can't decide what is best for me as never owned a house before.

    It's me and my wife, we just purchased a 3 bedroom house with: solar panels, electric immersion tank heater + shower pump, cold water tank at the attic and gas boiler for heating at the attic. Shower pump broke.

    I now have two options and not sure which to pick:
    1. Replace the pump with a new, quieter pump. This will also require replacing some valves that were seized. I was quoted approx. £600. Pump and electric immersion tank heater are in a cupboard in the bedroom, so we can't have one person sleeping and the other showering at the same time.

    2. Remove the electric immersion tank heater, pump, water tank at the attic and replace gas boiler with a combi boiler. I was told that electric boilers break all the time. Approx. £3000 (my budget allows that). This would remove the bedroom noise but I wouldn't get less mileage from the solar panels (previous owner told me they paid almost nothing for electricity during sunny months, during winter I'm paying less than £1/day).

    I would really appreciate some help, thank you.
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  3. muggles


    28 Oct 2005
    Thanks Received:
    United Kingdom
    3. Keep existing boiler and get an unvented cylinder which will be cheaper than 2, allow you to do away with the pumps, and mean you can still use your solar
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