Vaillant Ecotec plus 824 Running Hot and Cold


Postby mikezoe65 » Tue Feb 04, 2014 4:06 pm

A 3 year old Ecotec plus 824 Vaillant has developed the following- when running hot water to the bath or sink the water will pretty quickly run hot but after a minute runs cold for a while then runs hot again and repeats. Can anyone diagnose the fault and indicate what repairs/settings needed. thanks
mikezoe65
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Joined: Tue Feb 04, 2014 3:51 pm

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