faulty boiler ideal classic lxff flue

[midnitefairy]

Posted: 19 Apr 2008 16:17 Post Subject: ideal classic lxff flue boiler problem



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hi the boiler isnt heating up any radiators
.the water is not too bad just warm. the boiler fires up then after a minute shuts down itself ,but the radiators are not even slightly warm as if no water is heating them.
the heating is on a danfoss thermostat controller which has a mind of its own and switches on/off varying times.sometimes everything works fine ist does this every couple of weeks then works ok again.
please help

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[happybaggy]

Sounds very much as if the pump isn't working

[dasman98]

hi yes could be pump but if system is fully pumped could be zone valve problem does it heat hot water ok