hi just wondering if anyone has any suggestion, i have a problem with my hot water but it's a bit strange. when there is a hot water demand with low pressure (just turning tap on quarter turn) the hot water is fine. but if tap is opened any further the hot water temp drops to luke warm. i have changed the diverter valve but symptoms remain the same. there are no error codes when this happens.
vaillant 828 turbomax-hot water probs.
- Thread starter kevlewis
- Start date
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