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?
- 27 Forums
- 2,748 Topics
- 64.7 K Posts
- 2,650 Online
- 7,155 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 18 minutes ago
-
@kilgorexv, I actually think doing your own calculation...
By Mars , 24 minutes ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 15 hours ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 1 day ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 1 day ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago



