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Central Heating and Radiator Balancing

Discussion in 'Plumbing and Central Heating' started by heating12numpty12, 27 Mar 2018.

  1. heating12numpty12


    6 Feb 2015
    Thanks Received:
    United Kingdom
    Been a long while since I balanced my central heating system, but recent changes (rads changed, removed rads for decorating and new extension) I need to check the system again.

    So I have a combination boiler (32kw), 20 rads, the house is 22 years old so not ideally designed for a new combination boiler.

    If memory serves me right, I should aim for a 20 C delta on the boiler and rads when the boiler is running at full power, and once it modulates I should aim for a 10 C delta on the rads and boiler.

    Is that right?
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