Search with Wattson
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 26, 2026
Topics: 28 / Replies: 5530
Reply
RE: Secondary pump speed - how much slower should it be?

I think where we are at is that a buffer tank can be made to work (but it's by no means guaranteed that it will have been set up properly) but its not...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Maybe not on a mainstream channel! Perhaps 5 minutes on rip-off Britain.

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

I confess I see the HT heat pump question is a bit of a side issue. The question really is, do 'lt' heat pumps have any advantages ove HT ones. The ...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Interesting. Is the research which led to this sponsored by the fossil fuel industry I wonder? Obviously we all need the facts, but there is a big w...

3 years ago
Reply
RE: Secondary pump speed - how much slower should it be?

I have to stress that I don't actually know what it does as I don't have one, only that it does something. It looks like you have found some detail f...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Basically what this is saying is that, if the water pump contained within the heat pump isn't strong enough for the job (because your heating system h...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@marzipan71 In the diagram they look and are piped like a buffer tank (an LLH is, in effect, just a small buffer tank afaik). So far as I can tell ...

3 years ago
Reply
RE: Secondary pump speed - how much slower should it be?

@iancalderbank Re-reading the thread on buildhub I refer to above I think I am now both confused and a little embarrassed. I thought that the con...

3 years ago
Reply
RE: Secondary pump speed - how much slower should it be?

I will be quite frank and admit that your questions had me re-evaluating my assumptions. I will have to look back a long way on the buildhub forum (...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Sorry on my reading it does. I quote ... "So when you are in a low load condition you get this issue:... The flow slows down and the unit trips out...

3 years ago
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

It's both very refreshing and somewhat depressing to read this. Assuming I understand it correctly there is an admission that LLHs were added principa...

3 years ago
Reply
RE: Secondary pump speed - how much slower should it be?

Thats my understanding and how it has been described to me by someone who has a buffer tank set up properly, and has demonstrated so with fully convin...

3 years ago
Page 419 / 464
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Members Online

Click to access the login or register cheese
Protected By
Shield Security PRO