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: Apr 29, 2025
@hughf I have bought a manual crimping tool with several Viega sets of copper 15,22 and 28 mm fittings. I have bought a spare Grundfos motor with...
@iancalderbank @derek-m Many thanks for your help over the last few weeks. Believe me , and this is not a cynical comment " I appreciate your pati...
@iancalderbank Hi Ian, Again many thanks. I will have to fix this myself , here is very complex block diagram of my Heat Pump. The System wa...
@derek-m @iancalderbank I am also having difficulty with my Heat Pump. My System was originally a "plumbed In " Heat Pump manufactured by Telford...
@derek-m Is my Heat Exchanger really a buffer tank? Hi Derek, My Heat Exchanger is a Heat Exchanger! I did not want , or order, a heat exchanger o...
@iancalderbank My Volumising tank was originally designed and selected by Samsung Dallium , Samsung's own service depot at Wigan . My "installe...
@derek-m @william1066 I now control of my Primary Water loop as a function of the room Temperature. Yet another Arduino, A new function "yetaardui...
@derek-m Hi Derek, No , I am still hyper-Cycling! YES, I am still loosing lots of energy across the Heat Exchanger , pipes et al.! After near...
@cathoderay My "installation" was fitted with a 50 l Volumising tank some six months after it was "installed". I was given at least four opinions...
@william1066 Grundfos PUMP PWM Frequency....I stand corrected William........The Frequency range of the PWM signal is indeed 100 Hz to 4Khz!I mist...
@william1066 Grundfos PUMP PWM Frequency.... I stand corrected William........ The Frequency range of the PWM signal is indeed 100 Hz to 4Khz! I...
@cathoderay I have used a cheap "Danfoss" Water Power meter on my Radiator circuit. My Radiator circuit is isolated from the Heat Pump water loop...
- 27 Forums
- 2,768 Topics
- 65.2 K Posts
- 1,616 Online
- 7,169 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 hours ago
-
We kept ours and Heat Geek would have been in touch if ...
By Batpred , 7 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 9 hours ago
-
RE: Why are ASHP installs so expensive?
It seems a quite comprehensive breakdown. I will try to...
By Batpred , 9 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 15 hours ago
-
RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 16 hours ago
-
RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 18 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 1 day ago
-
RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 1 day ago
-
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 days ago
-
RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 3 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 4 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 4 days ago



