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- 21 Nov 2005
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Hi there
When I turn on a hot tap the red demand light comes on on the boiler but after about 3 minutes the light goes off and the water runs cold. It continues to run. Any ideas please?
When I turn on a hot tap the red demand light comes on on the boiler but after about 3 minutes the light goes off and the water runs cold. It continues to run. Any ideas please?