How to Increase Boiler Pressure
The boiler is a critical element in our homes. Most of us will know the term ‘low pressure’, but what does it mean?
If you’re experiencing problems with your boiler - namely a loss of heating and hot water supply - low pressure could be at fault.
What is Low Boiler Pressure?
Cold water that flows around the pipes and radiators in our homes is heated by the boiler. To work as efficiently and consistently as possible, the pressure in the boiler system needs to remain stable.
If the pressure in your boiler drops beyond its optimal level, it can’t sufficiently heat the cold water - leaving you without heating or hot water.
As you might imagine, the precise pressure requirements for boiler types are different. To quickly and easily find out exactly what your boiler pressure should be, start by checking the manufacturer’s handbook or manual.
Here, you’ll find the correct pressure information and accurate measurement details for your boiler.
How to Fix Low Pressure If the pressure reading is below 1.5, this could indicate that the boiler needs to be repressurised.
Follow these steps.
*Locate the boiler manual and find the pages on low pressure
*Switch your boiler off and wait for the system to cool down (at least an hour)
*Check both ends of the filling loop are securely attached (your boiler may use a key instead)
*Open both valves to let water into the system (listen for the sound) *Check the pressure gauge has risen to 1.5
*Close both valves tightly, one at a time
*Turn the boiler back on (you may need to push the reset button)
*Undo both ends of the filling loop - catch any excess or dripping water with a towel
*Store the filling loop (or key) somewhere safe
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