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: Aug 4, 2026
To add, the primary pump also can run for a while before the system fires up to confirm flow.
@netdonkey The primary pump should stop after a while when there is no DHW or Heating demand, it may have an overrun to dissipate the small amount of ...
Perhaps develop a basic software, free online that allows the customer to put in most of the measurements and basic building fabric, just enough that ...
@jamespa Fair point, its good to know better standards and designs are getting covered under the MCS schemes. Perhaps once it all starts to come toget...
@iantelescope They say its as a result of the combi birth and delta T changing from 11 to 20! as tech got better it required less flow so all of the e...
@vcosmin Many people here will agree with you on that design issue. I watched the video and if they have 7 or 9m pump you should be well covered.
you will need to set the buffer up as a volumiser for the defrost if the installer has said it needs it for defrost and also make sure you have at eas...
@editor I will keep an eye out for that podcast, thank you. Just a side note relevant to buffers, rails separators and volumisers. I may not be corre...
@editor Can you do a podcast on standards of training, whats available, how engineers get trained, where they come from, what level they get trained t...
@editor I think these podcasts are great. I did watch this one yesterday I think. Lets see if the MI drop buffers in their schematics as options in th...
@editor I am aware, open loop, less pumps, slow and steady heat generation has proven more efficient, the clever engineering in ASHP is the inverter t...
@editor Thanks Mars, interesting as most ASHP manufacturers a while back were stating or suggesting the reason for a hydraulic break was to ensure min...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
You'll have to excuse me, this is all new to me and I s...
By BlizzardGreen , 6 hours ago
-
RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 10 hours ago
-
Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Helping a family member with brand new installation of ...
By Chris66 , 15 hours ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Assume flow from the heat source is higher than flow to...
By bobflux , 19 hours ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 22 hours ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 1 day ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 1 day ago
-
RE: Love veg, hate watering cans
My dear daughter came for a bath and was given clear (I...
By Jancold , 1 day ago
-
RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
By donciccio , 2 days ago
-
RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
By GrahamF , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
By Papahuhu , 3 days ago
-
RE: Issue with Samsung Cascade System
@jamespa It's a funny system, but was out only option l...
By Renewables345 , 3 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks, I like the chart, very helpful and this will de...
By baroquebank , 3 days ago
SPONSORS
