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Help! Combi or Triple Pass Boiler

  • 22-01-2021 12:24am
    #1
    johney
    Banned (with Prison Access) Posts: 88 ✭✭


    I am replacing my old oil boiler with a second hand one for the time being. I have 2 choices. A grant indoor Combi 90 or a grant indoor triple pass. I don't really understand the difference between them, or are they basically the very same setup. Old boiler was a grant indoor open system. If someone could explain the difference to me I would appreciate it. thank you.


Comments

  • #2
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    A grant combi is a oil fired boiler and a Grant triple pass used to be a solid fuel back boiler.


  • #3
    johney
    Banned (with Prison Access) Posts: 88 ✭✭johney


    Thanks John,

    will a Combi boiler work with my present system? I have an overhead tank and a cylinder.
    I can assure you the grant triple pass is an oil boiler with a burner. It appears to be an open vented system.


  • #4
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    The combi doesn't need a cylinder and supplies hot water on demand but will need a pump to pump it from the cold water storage tank through the boiler and then to the hot users, the other option is probably far easier as you are replacing like with like.


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