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: Oct 1, 2025
@markc The installers put buffer tanks in to stop low flow errors occurring with their badly designed heating systems. It covers their inadequacies, a...
@derek-m You are correct for old fixed compressor units. Most manufacturers recommend 10 litres per KW from flowing volume for a heat pump. Most new i...
@markc That valve you have there is a low flow high-temperature valve, you are throttling your system, effectively it cannot breathe. You need to chan...
@markc You are right, I think Mars needs to organize the forum a bit better.
@batalto As Suspected, It is a fit and forget configuration designed by Freedom Heat Pumps to prevent call backs due to the inability of their install...
Actually there has been little change from prior to MCS being launced appart from an indcrease in the price of installations by 2000-3000 pounds, ther...
@editor Actually Mars, it would make more financial sense to get your system fixed, you would not drive your car with flat tyres. There is not much ...
@batalto Unfortunately, if you do not do things properly, it may not work. Like trying to drive a car without pumping up the tyres. It is all there bu...
@derek-m I agree, unfortunately this industry is self-destructing and nobody seems to care, it is very frustrating. I hope, someone will read my con...
@batalto The pumps are more than likely too small and not capable of transferring sufficient water to deliver the heat. However, the buffer thank is...
@batalto Is it a 4 pipe one with a pump pumping round your radiators?
@batalto Do you have a buffer tank or system seperation?
- 27 Forums
- 2,735 Topics
- 64.2 K Posts
- 936 Online
- 7,140 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
PV and battery long payback - sense check query
Our second car died last week and has been replaced wit...
By DavidB , 1 hour ago
-
RE: Can I start an argument about buffer tanks please? 🙂
The principal argument against buffers is in essence no...
By JamesPa , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks for that. BTW I'd be happy to test one for you...
By BlizzardGreen , 2 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 , 3 hours ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 15 hours ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 15 hours ago
-
RE: Love veg, hate watering cans
My dear daughter came for a bath and was given clear (I...
By Jancold , 16 hours 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 , 18 hours 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 , 2 days ago
-
RE: Issue with Samsung Cascade System
@jamespa It's a funny system, but was out only option l...
By Renewables345 , 2 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
-
RE: Solar Power Output – Let’s Compare Generation Figures
Production resumed to normal once the issue ...
By MK4 , 3 days ago
-
Hole diameter is small but hole length is also very sma...
By bobflux , 4 days ago



