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mortosm

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mortosm

Strange Noise from Back Boiler

For the first few minutes when my back boiler fires up I can hear an occasional 'sizzling' noise (like the noise a drop of water on a hot coal would make). This only happens for five or so minutes....
09:19 Tue 01st Jan 200816 answers, last by mortosm 22:25 Thu 10th Jan 2008