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Oil Boiler Replacement Size advice

  • 05-04-2019 10:12am
    #1
    Gatica
    Registered Users, Registered Users 2 Posts: 3,300 ✭✭✭


    We're replacing a very outdated oil boiler in our house. We've received 2 different kinds of advice from different plumbers, so a little confused.


    It's a semi-detached house with 5 bedrooms and 11 Radiators. The boiler also heats the hot water taps. We currently have a Firebird 90/120, so was going to go with the same size. However, plumber said modern condensing boilers are better off being smaller and working hard than buying a bigger boiler with slack.



    First plumber recommended the 90/120 size set to lowest setting in case we ever add an extension. Second one said even with extension with 1-2 rads isn't worth the 90,000BTUs, so we should go with the 50/90.


    Any opinions on this?


    The other thing that was mentioned was the regulation of distance from flue output to the oil tank, which is quite close at the moment. Would a longer out pipe resolve this issue rather than having to move out the tank really far? Since condensing boiler output doesn't get hot, we thought it shouldn't have to be same distance presumably...


Comments

  • #2
    agusta
    Closed Accounts Posts: 1,590 ✭✭✭agusta


    1.8 meter from rim of flue terminal to oil tank.what size is your house..,single or double rads


  • #3
    Gatica
    Registered Users, Registered Users 2 Posts: 3,300 ✭✭✭Gatica


    agusta wrote: »
    1.8 meter from rim of flue terminal to oil tank.what size is your house..,single or double rads

    Upstairs is all new radiators, 4 large double, a small double in the hall and a towel rad in the bathroom, downstairs it's 4 large double ones, a large single one in the hall.


  • #4
    youngted
    Registered Users Posts: 1 ✭youngted


    hi id go with the guy that advised going for the smaller boiler


  • #5
    Gatica
    Registered Users, Registered Users 2 Posts: 3,300 ✭✭✭Gatica


    went for the smaller boiler with first plumber, he agreed with the size since we're not really planning on expanding the house. He did a great job on it, very neat.


  • #6
    TECH85
    Registered Users, Registered Users 2 Posts: 117 ✭✭TECH85


    Gatica wrote: »
    went for the smaller boiler with first plumber, he agreed with the size since we're not really planning on expanding the house. He did a great job on it, very neat.


    Nice , any photos of the install ?


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  • #7
    Supcycle
    Registered Users Posts: 24 ✭Supcycle


    Look at a air source heat pump and PV panals set. You won't go back


  • #8
    Gatica
    Registered Users, Registered Users 2 Posts: 3,300 ✭✭✭Gatica


    TECH85 wrote: »
    Nice , any photos of the install ?

    can do, I'll take a pic when it's not so wet out.


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