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Last seen: Aug 16, 2026
@chansug Welcome to the forum. Could you specify what flow temperature and design OAT the three quotations are given for? 🙂 Also a description o...
@johnnyb Well that all sounds like progress. I’m guessing that the COP figures are calculated from the internal sensors on the unit so should be vie...
“Think of it as a short section of single carriageway road on what is otherwise a dual carriageway. It's an impediment but much better than a lot of s...
@rhh2348 I just mean that from the 22mm copper or plastic pipe spine, each radiator have 15mm plastic down to it. I use John Guest plastic pipe but...
@rhh2348 I find this an interesting question as I did a similar thing after reading John Cantors site. I have 28mm to my 5kW heat pump which then r...
@alfapat the flow temperatures in and out of the buffer tank aren’t really something you can do anything about. They just indicate how much efficiency...
@alfapat There is no such thing as a dumb question, just a dumb answer 🙂
@alfapat I think modern TRVs can be fitted on either side. The lock shield will restrict flow whichever side it is sited
@alfapat Remember Pat, as the outside temperature varies, so does your flow temperature. If you are not getting to room temperature today when its war...
@alfapat yes if you can get the maximum flow temp to 46C from 50C that will be a result. you will find that each adjustment will affect every other...
@alfapat that is what water law is for Pat. It automatically adjusts the flow temperature to take into account the OAT. Once you have the rad valves r...
@chandykris just give them a good wash out before fitting them back 😁
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Degrees of Separation
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RE: Questions about A2A for heating as well as cooling
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
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@Mars Good questions! The downstairs unit did the maj...
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
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@tomtheheatingengineer, thank you, and welcome to the f...
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