Last seen: Aug 13, 2025
@saz, so just to be clear, Vaillant have "fixed" the circulation pump (by getting rid of the sealant) and cleared your system out to nullify any block...
I think that's @witchcraft.
@witchcraft, thanks for the update and I'm very interested to see how this all plays out.
I ran an experiment this week to see what our COP and electricity consumption would be like by varying flow rates (45C and 40C):/p> As the winter co...
@saz, who was the original installer? Are you at liberty to reveal who it was?
I’ve just reread the thread and you have had a Vaillant engineer come out. This engineer that just visited, were they from a completely new company?
I can definitely empathise @saz - it’s very, very frustrating, even more so when things aren’t working and costing a lot of money to run. Have you ask...
This is sadly very common with Powerwalls. I’ve heard of many people with delays that have been over 10 months. Part of the issue is that some install...
Welcome to the forums @howiewsl. In addition to the relevant questions raised by @robl, can you please let us know the approximate square footage of y...
@derek-m, good suggestion. I'm going to hook it up up stairs where there's virtually nothing drawing power and see what happens. I'll try and get arou...
@derek-m – this is the guy that keeps tripping.
@derek-m, I don’t think it’s applied to batteries but I’m looking into it.
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