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Combi Oil Boiler Advice

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  • 19-11-2019 1:18am
    #1
    booooonzo
    Registered Users Posts: 478 ✭✭


    Hi we are doing rennovations on 2 story period detached property and I'm trying to get my head around what system we want

    House will have:

    - 4 beds
    - 1 new bathroom with shower & bath (possibly mixer shower)
    - 1 new en suite with electric shower possibly
    - 1 new down stairs toilet

    - kitchen/dining
    - living
    - office

    Current system is an old non zoned, non condensing oil boiler with expansion , cold water storage and copper hot water tank / immersion

    have a evoHome ready to install for zoning if needed

    will possibly physically zone if we can when some floors are up and moving/installing new boiler&new double steel rads throughout

    not sure on mains pressure just yet but it seems to be powerful in the kitchen

    we would like to have a high pressure , rain shower type in the bathroom
    an electric in the en suite
    hot water readily available at the taps

    Was thinking an External 36kW Combi Oil Boiler may meet our demands, something like a grant vortex blue but have no idea whats good or if we are missing something.
    I know you can get ones with their own storage tank too but not sure our demand would need it.
    mixer shower and a couple hot water taps would be all that would run simultaneous.

    would electric make us of a hot water feed?
    i think there might be 2 types, one with element and one without

    any steer in a better suited direction from anyone with experience would be much appreciated

    thanks


Comments

  • Options
    #2
    booooonzo
    Registered Users Posts: 478 ✭✭booooonzo


    Anyone have an similar experience?


  • Options
    #3
    OwenM
    Registered Users Posts: 859 ✭✭✭OwenM


    I'd say leave boiler sizing and selection to the plumber if you want him to stand over his work. The boiler output is adjustable (by the plumber, not a user adjustable item) via the sprayer afterwards so it's difficult to get wrong.

    Maybe plumb both showers to the combi?

    Buffer or storage tanks would, I think, only be used in conjunction with solar - a combi means HW on demand?


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