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Combi Boiler Adjust Pump Speed

  • 01-12-2020 4:05pm
    #1
    cornet
    Registered Users Posts: 133 ✭✭


    Hi,

    According to the manual my combi boiler has 3 speed settings. I recently moved into this house and the downstairs rads have a hissing sound which seems to be related to a high flowrate. It’s more a nuisance than anything else as the rads are fine.

    I would like to adjust the speed downwards but does this need an RGI technician or can I do it as the front cover must be removed to access the pump??


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