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How to Balance a Radiator

Are you finding that some of the radiators in your home heat up more than others, you have the odd cold spot and the general heat distribution throughout your home is less than consistent.

Some of the most common causes for these problems include your radiators needing to be bled, sludge in the radiators and system or having an unbalanced heating system. Take a look below at our guide to find out how you can balance the radiators in your heating system and keep your home warm this winter.

What You Need:

  • Radiator Key
  • Adjustable spanner
  • Screwdriver (for opening some valves)
  • Digital Thermometer

How To Balance Your Radiators

*Always ensure that radiators have fully cooled down to avoid any burns

  1. Turn off your central heating and allow all the radiators to fully cool down
  2. Bleed all the radiators in the system, click here to follow find out how
  3. Open the valves on every radiator by twisting them anti clockwise. Some valves can be harder to open and a spanner will be needed
  4. Switch your heating on carefully take note of which radiators heat up first. You will often find that radiators closest to the boiler will be the first to receive heat in a heating system
  5. Again, turn the heating back off and wait for all the radiators to cool back down.
  6. Once the radiators have cooled down switch your heating back on and head over to the first radiator which heats up on the system. Turn the radiator valve clockwise until it is closed, then carefully open it by ΒΌ of a turn
  7. Once the radiator has reached its maximum temperature using the pipe directly off the valve take a quick reading of the temperature
  8. Take a reading of the temperature from the pipe leading off the other valve. Carefully open the valve lock shield until there is a 12 Degree increase in temperature compared to the reading took on the other valve. When doing this ensure you wait for the temperature to settle fully
  9. Finally check each of the radiators on the system following steps 7 and 8. Make sure you check the radiators in order of which receives heat first. Note that the further you travel from the boiler the more the valves need to be opened

If after following the above steps you are still experiencing problems with your heating system, we recommend you contact a trained heating engineer who will be able to access the situation.

Looking at replacing any of the radiators in your property? Look no further than Direct Heating Supplies. At Direct Heating Supplies we stock an extensive range of radiators in a range of sizes, heat outputs and designs all at affordable prices, click here today to browse our full range of radiators or contact us 0800 181 4488 on for more information.