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Oil Heating taking too long

  • 20-05-2013 2:16pm
    #1
    bennyc
    Registered Users, Registered Users 2 Posts: 1,907 ✭✭✭


    Hi I have 18 Rads off my oil boiler, I always had trouble with the balancing as two of the rads never got heat. I did my best to balance and now am getting good heat to all rads. Only problem is that it can take 30 - 45 minutes before all rads are getting heat. So oil needs to be on for over an hour to heat the house. One thing I have noticed is the pump is set to III from a three point scale. Would it be pumping too fast ? Also would the thermostat be too low ?

    Any advice please.


Comments

  • #2
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    More than likely the other way round, pump could be too small. House that size should have at least a 25/60 pump. Check your pump to see if it is a 25/50 or a 25/60.


  • #3
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    Check that the circulating pump is pumping in the correct direction, have seen a few wrong way round causing a very slow heat up time


  • #4
    bennyc
    Registered Users, Registered Users 2 Posts: 1,907 ✭✭✭bennyc


    All I could find on the pump was 25/7


  • #5
    whizbang
    Registered Users, Registered Users 2 Posts: 1,974 ✭✭✭whizbang


    do you have a pipe thermostatstat for the pump ? If so what temp is it set at?


  • #6
    Dtp79
    Closed Accounts Posts: 2,097 ✭✭✭Dtp79


    bennyc wrote: »
    All I could find on the pump was 25/7

    Is the pump coming out of the too or bottom of the boiler?? Which direction is the arrow facing


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  • #7
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    a few pictures would tell a thousand words me thinks...


  • #8
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Boiler is proberaly not tuened up properaly, if flame is not right or set to small its like boiling a big pot of water on the cooker with the flame turned down low, It will eventually heat but take forever and use a lot more fuel, you proberly need a proper service.
    Then saying that, boilers are like cars, some are very efficient and some are not, like mpg. on a car. You will save money by getting a professional service and advice. Also boiler might be to small for the house you need min 120-150,000 BTU boiler again it's like a car if it's a big car with a small sized engine (The Boiler) then it's often heavier on fuel. Hope this helps. MD
    leflet 001.jpg


  • #9
    Dtp79
    Closed Accounts Posts: 2,097 ✭✭✭Dtp79


    bennyc wrote: »
    Hi I have 18 Rads off my oil boiler, I always had trouble with the balancing as two of the rads never got heat. I did my best to balance and now am getting good heat to all rads. Only problem is that it can take 30 - 45 minutes before all rads are getting heat. So oil needs to be on for over an hour to heat the house. One thing I have noticed is the pump is set to III from a three point scale. Would it be pumping too fast ? Also would the thermostat be too low ?

    Any advice please.

    Is there a balance valve in your cyclinder?


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