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: Jan 7, 2026
@richard24738 yes, the R32 its attached to the frame, on the new R290, then can be places away from the unit. This make the weather comp much worse on...
@sunandair Hi, ive read that a few times, I think I get what you mean Yes, was definitely struggling to heat the house this winter at several poi...
@sandman1600 yeah, they'll just turn the pump speed up. might not help you as much as you think. you need someone to measure what's happening acros...
@sandman1600 not a massive problem. I've got a lot loss header that's a similar theme to a buffer and I get COPS (on Mel cloud measuring) over 5 i...
I think you have a 50L buffer at the bottom of the tank. this adds a bit of compelxity, but I think you need a good chat with installer.
there is a lot of pipes going in out of that tank, its that a HWT and buffer in one? you got a tank anywhere else in the house?
It’s got a zone valve, isnt that just the flow and return to the manifold
@jamespa and, just circulate around the primary circuit if flows to UFh strangled.
@jamespa My only thinking is that I'm sure he will have a header. The only thing we actually know is the primary circuit flow rate the primary cir...
@sandman1600 it sounds like they have just tired to replicate your oil boiler with a heat pump. I’d be a little concerned that the heat pump insta...
You’ve got 16 loops Do you remember if the heat pump installers changed the UFH flows from the oil system it was installed for.
@sandman1600 how many loops on that one?
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 4 hours ago
-
RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 6 hours ago
-
Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 6 hours 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 , 8 hours ago
-
RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 9 hours 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 , 1 day ago
-
No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 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 , 2 days ago
-
RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
-
RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
-
RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
-
RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
-
@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
SPONSORS
