Last seen: Nov 22, 2025
@john-castle Yes, I too have become somewhat obsessed, trying to comprehend what should in essence be something simple. As soon as external temps re...
@dreg1 . Thanks, I echo @heacol comments. A couple of thoughts you said two things that appear to me contradictory, that the thermostat on the landing...
@john-castle Yes that does sound problematic, I very rarely touch 900w and if I do I am wondering what the problem is? Who did your install. There is ...
@heacol , sorry how do I send a pm, I know I ought to know, but I don’t. Thanks.
@heacol , so does that mean you can’t comment?
Hi @john-castle , I’m new here too. I also have a Daikin. It’s the altherma 3 8kw. My system is a little different from yours because I have a mixergy...
@heacol , your footer says you are Director at Heacol & Head of Domestic Heat Pump Design Net Zero British Gas. I don’t know if you can help, chee...
Hi @dreg1 , I’m fairly new to this too. You’ll probably get some really helpful replies. A couple of questions, you referred to a primary circuit, whi...
@jamespa The third priority was a type, it was meant to be flow speed. Which was the whole point I was making. Also I notice you refer to radiators ca...
@jamespa Thanks for that. I think from what you have said that we seem to disagree, if we disagree at all, about the way the system responds in relati...
@toodles , yes you’re right, there are a lot of variables and all of the figures can be plus or minus. I guess both of your heat loss figures would ha...
@jamespa Again, I’m going to have to read this carefully to take it on board. But I absolutely agree about the piping and the radiators. As I said in ...
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