vaillant; thermocompact; lockout

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    Vaillant VC GB 282E lockout problem (possibly associated with cold weater)

    Hello, I have an pressurised system (Vaillant VC GB 282E system boiler and 155l Unistor cylinder). The boiler is about 20 years old but the original Vantage cylinder was replaced about 6 months ago. Over the last few months the boiler periodically locks out. It restarts without problem when...
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