HVP blogger Paul Dooley took his camera along when he went to fix a recent boiler breakdown.

Easy If You Know How!

The boiler is an Ideal 'Isar' 30KW combination boiler that's around five years old. It was attempting to ignite before locking out and displaying the 'LF' fault code.

The first thing I checked is the ignition electrode.

I was right first time. It has been distorted by heat making the gap too large for the spark to bridge.

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