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 3, 2026
@kev-m yes, that's exactly what I am looking for, I've searched around online but can't find this info.
@derek-m a Vaillant engineer came out today. We've reduced the speed of the UFH pumps and left the radiator pump on a faster setting. We think the byp...
@derek-m do you have a typical % heating/dwh usage for each month? Would be helpful to do some projected costs for the year based on Dec/Jan usage. Th...
@alec-morrow @mattengineer @mike-patrick @derek-m How appropriate are these types of valves on a ASHP heating system installation? I don't fully...
@mattengineer Interesting, I read the manual and there is a setting to basically tell the vrc 700 to ignore the internal temp from the unit. I guess t...
@derek-m thanks. This is starting to go beyond my technical capability so think I'll need to await the developers heating engineer to investigate, but...
@alec-morrow I wondered this too, a Vaillant rep suggested to me it normally comes down to cost (or value engineering as it is often referred).
@alex-morrow our UFH zones have a manually set mixer (currently set to 50c - so largely redundant), if these were set to 22c or somewhere in that regi...
Hi @derek-m, I made the school boy error of not noting down the Kwh usage before changing the settings. I took an energy consumption reading earlier t...
@mike-patrick thanks for the message - how might I check if this is the case?
@spdtdl just learnt how to tag! Sorry, meant to do so in reply with questions above.
Just quick message of thanks to everyone for their help so far. Cheers, it's appreciated.
SPONSORS
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 , 9 hours ago
-
@kilgorexv, I actually think doing your own calculation...
By Mars , 10 hours ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 24 hours ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days 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 , 3 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 , 6 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
SPONSORS
