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!
Last seen: Sep 19, 2024
@jamespa I think that you will find the 55C for gas boilers is to ensure condensing takes place, and if the gas boiler is to be replaced at some tim...
I suspect the problem relates to the fact that as far as I am aware TRV's still have to be installed on heating systems, which was the norm with gas a...
The first thing that I noticed is if you had to use a -4C offset when the weather was colder this would indicate that the cold end of the WC curve is ...
You are indeed correct, because in the real World installers include buffer tanks, LLH's or PHE's that are not normally required. The other point to...
Hi Judith, welcome to the forum. I suppose that you could politely ask them to explain in great detail why there is a need for a buffer tank or low ...
@jamespa Hi James. Sorry for the delay in replying, I took a break from the forum at the weekend while the improvements were being made, only to f...
I would suggest that you look within the 'Service' menu at the 'Energy monitor settings', since it would appear that the estimated power consumption o...
You could consider changing the buffer tank into a volumiser in the return leg to the heat pump. This would remove the need for balancing the primar...
I fully agree with Ian's assessment that the primary flowrate from the heat pump is inadequate. I would suggest that you check all the valves on the...
Hi Everyone, It is strange how the same issues seem to pop up on the forum, it must be well over one year ago when CR and I were discussion the prob...
That is precisely why when modelling heating systems, not just the heat pump data should be part of the overall equation. It is also necessary to inco...
A simple remedy would be to re-pipe your buffer to make it into a volumiser in the return leg to the heat pump.
- 27 Forums
- 2,750 Topics
- 64.7 K Posts
- 2,057 Online
- 7,158 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 11 hours ago
-
RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 12 hours ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 17 hours ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 19 hours ago
-
RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 19 hours ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 20 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 3 days ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 4 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago



