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Maintenance
March 12, 2026
10 min read

How to Maintain Your Boiler

Winter prep: Essential maintenance steps to keep your boiler running efficiently all season.

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The Importance of Boiler Maintenance

A well-maintained boiler saves you money on energy bills and prevents expensive emergency repairs in the dead of winter.

Check the Pressure

Your boiler pressure should typically be between 1 and 1.5 bar when cold. If it’s too low, you’ll need to repressurize it using the filling loop.

Bleed Your Radiators

If your radiators are cold at the top and warm at the bottom, there is air trapped inside. Use a radiator key to release the air until water drips out.

Annual Professional Service

While DIY maintenance is great, always have a certified professional service your boiler annually to check for carbon monoxide leaks and ensure internal components are safe.

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