Last seen: Mar 11, 2025
10mm pipe is ok for about 1kW at dT5. So really depends how the system is laid out and how you transition to 10mm and the other piping sizes. Lots of ...
Can you upgrade to to type 33?
Buffer tank and LLH are pretty much the same thing, just the contained volume of water is different. So you should be able to install exactly the same...
Think looking at the two curves, you will be near enough using the Grundfos one.
@ivanopinion you must of spent ages come up with some vague numbers like that. You didn't even allow for DHW heating
Think you have missed the point, why would you want to go above 50 in any likely outside temperature. Your design temp is the 99.6% likely temp. Not s...
In addition to my reply on Buildhub. Have you considered dumping all the third party rubbish and then you have no need for the FTC2BR. I doubt you n...
Interesting fact from 2003 - 2 years before condenser boilers became mandatory. Defra; the heating industry; the Energy Efficiency Partnership for H...
No that is 2.2 m³/h, so 2200L/60 mins, is 36.66L/min. So the head flow curve is just about identical on speed 5 and max flow on the secondary pump. ...
We have had rubbish weather all "summer" our heating went on a month or so earlier than usual. Plus was used for cooling during the summer when need...
The big companies just want to do the bear minimum, for max profits, then point you at a tariff, to keep cost manageable, and that may disappear in a ...
Good indication your flow temps are way to high. Looks like you may have started balancing at the wrong end of the system. Maybe caused a preferenc...
Latest Posts
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What's the problem you are trying to solve. The answer...
By JamesPa , 19 minutes ago
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Good luck. For what it is worth my system was very def...
By JamesPa , 9 hours ago
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RE: Help me understand my Mitsubishi Ecodan system
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RE: Ecodan Legionella cycle - immersion heater problem
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@fillib what a wonderful result, both for you personall...
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As you say this is no change, which I personally think ...
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RE: What happens when the outside temperature exceeds the upper WC point?
@editor not via the WC curve but as @old_scientist ment...
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I did not know this concept, although others might. I...
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RE: why solar diverters for HW instead of the heat pump?
I should probably add to my comments above that, whilst...
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RE: Commencing on an ASHP Installation Process
Lots of reading and questioning which the background ma...
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RE: The Great British Heat Pump Quiz
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Hi @tomasmcguinness, how are you progressing with this?...
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RE: Say hello and introduce yourself
Welcome to the forum. If you are new to ASHPs I sug...
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This is where the cold water storage tank was situated;...
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