Vaillant Ecotec Pro 24. Hi all, we are having issues with hot water as it only stays hot for a few minutes for the taps and shower. You can visibly see the temp on the boiler drop from about 67 for 42 within a few minutes. We removed Mira thermostatic bar and the water remains hot but as soon as the shower is connected the temperature drops after a few minutes. The gas engineer changed the exchange plate and the diverter valve and it has made no difference. We have even tried a new shower and the same thing happens. Any ideas?
URGENT Vaillant Ecotec Pro 24
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Problem sounds with the shower and not the boiler
D
Deleted member 120897
Crossed pipes at the shower perhaps?
If you have a hot tap or taps, set your DHW temp to to 60C or 65c, whichever the highest.
open the tap/taps to give 10 LPM. the DHW temp should fall to 42C and remain at that because a 24kw shower will give that flowrate from a (mine) mains 7C just now. Shower is the same, if you set it to min, say 35C and set the combi to 60C then you will get 12.3LPM (at 35C).
open the tap/taps to give 10 LPM. the DHW temp should fall to 42C and remain at that because a 24kw shower will give that flowrate from a (mine) mains 7C just now. Shower is the same, if you set it to min, say 35C and set the combi to 60C then you will get 12.3LPM (at 35C).
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