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- 19 Mar 2007
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Hi got a vaillant boiler with timeswitch 150 manual timer.. the timer is working, can hear it ticking..problem is all the timing is messed up ..when I set the time for heating to come on, ie,6 till 10...it turns on boiler at different time...not the one I set..seems like the clock is all messed up...the clock hands don't seem to line up properly..any ideas?..knackered or can it be fixed ? Ta