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New Hot Water Cylinder

  • 19-10-2021 4:04am
    #1
    septicsac
    Registered Users Posts: 488 ✭✭


    I have an old type copper hot water cylinder , about 1 metre high in height, with the tie on lagging jacket. I want to replace same with a newer more modern insulated cylinder.

    We are on a group water scheme with good water pressure, if that is of any relevance?

    Do I go copper or stainless?

    Currently water heated by oil/Solid fuel and immersion, but getting Solar PV and will hope to heat water with same, as much as possible, using Eddy divertor.

    5 in the house, with kids 10,10 & 16 so plenty of hot water being used, so capacity of tank as well please?

    Not sure if need Direct/Indirect or Vented/Unvented?

    Single coil/Twin coil?


    Basically I know feck all about them, so any help much appreciated



Comments

  • #2
    Ubbquittious
    Registered Users, Registered Users 2 Posts: 6,293 ✭✭✭Ubbquittious


    https://www.boards.ie/discussion/2058213751/new-hot-water-cylinder

    It depends on how your system is connected. Normally you would need an unvented cylinder if you have a back boiler but I am aware of some setups that use a heat exchanger to side-step the need for one

    https://www.systemlink.ie/heat-genie.html



  • #3
    septicsac
    Registered Users Posts: 488 ✭✭septicsac


    No back boiler



  • #4
    septicsac
    Registered Users Posts: 488 ✭✭septicsac


    Anyone??



  • #5
    antoinolachtnai
    Registered Users, Registered Users 2 Posts: 9,816 ✭✭✭antoinolachtnai


    It’s pretty specialised stuff because you have solid fuel on the system and also have whee wet might be a non-standard water supply. You really need local advice.

    a larger copper vented cylinder with fast recovery is probably whet you need. But that is just guesswork and the solid fuel is going to make anybody wary. Bad plumbing of solid fuel water heating can potentially result in severe injury.

    you will need an experienced plumber to review the whole system, recommend a solution and do the installation. It’s not a job for DIY or a handyman.



  • #6
    septicsac
    Registered Users Posts: 488 ✭✭septicsac


    https://www.boards.ie/discussion/comment/118054414#Comment_118054414

    Will be qualified plumber doing the job, not something I would attempt on my own. Looks like I just have to get someone in to have a look at it.

    Anyone know if any significant benefit of going stainless over copper?



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  • #7
    Ubbquittious
    Registered Users, Registered Users 2 Posts: 6,293 ✭✭✭Ubbquittious


    If there is no back boiler how is the water being heated by solid fuel?



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