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Last seen: Aug 18, 2026
@transparent I dont disagree in principle but ... in the real world where time is money and the customer doesnt want to pay the latter existing ca...
For what its worth I had exactly the same experience with my Vaillant heat pump and have settled on operating in pure WC mode. One of the challenges...
I read the post you referenced and Im not wuite sure what the question you are trying to answer is. If its this "In summary, if I had the choice...
I think your argument is based on the relatively unusual case of a very low loss house with a large slab/UFH operating at a low flow temperature. The...
Thats fair. Essentially all the controller needs to do is adjust target flow temperature (or possibly the WC curve so that the heat pump is left to a...
I think those wires might be sensor connections possibly to the points marked wht 1 2 on the diagram
Agree with the internet connection comment, although I think (but may be wrong) it relies on this only for the more advanced features like tariff opti...
Agreed, but it needs to be specific to heat pumps and learning of course. Homely goes half way to this (for the heat pumps it supports) but doesn't a...
Sounds like the HP side pumps are controlled by the HP. By zone valves you mean the two valves which either switch to CH or DHW?
Thats definitely true. There is a good reason however, its very difficult to do meaningful experiments and/or draw sound conclusions from the experim...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
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