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Last seen: Jul 15, 2026
Thanks Ian. The type of purpose-made unit I have in mind is on many YouTube videos and is fitted with T's into the hot and cold supply under the sin...
The maths attached to a cost analysis of this approach sounds daunting. It seems to me that there are two variables that would need to be evaluated...
Thanks Gary. That is a new, and interesting bit of inside information that I am pleased to learn. I think this may be useful in balancing the radiator...
I am finding that this topic is becoming more complicated than I can handle. As I understand the Ecodan Hydrobox, it has a single pump with 5 speeds...
Derek M is correct in that the Ecodan has a 5 speed pump and this is currently set at max of 5. I was just hoping for a meaningful measure of performa...
By "taking the buffer tank out of circulation" I mean removing the secondary pump and using the buffer tank just as a volumiser
Thanks JamesPa - have only just picked this up. I have the contractor visiting who is primarily a solar installer but he added the DHW system and I ...
Thanks Derek M for the further update. I have approached the contractor that installed the DHW system (including the 3 way valve) and he will make the...
@derek-m You would be most welcome and 3 bedrooms available. I would consider it good value!
I am most grateful to both Derek M and JamesPa for their advice, and I would just like to confirm how the tank is used as a volumiser, only in the ret...
Hello JamesPa. The contractor I employed, seemed to know what he was doing (and I was desperately trying to escape from LPG at a time when the price w...
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RE: Rate the quality of your heat pump design and installation
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
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Given the way radiation and convection effects don't wo...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
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RE: Renewables & Heat Pumps in the News
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