Last seen: Jan 14, 2025
@tomasmcguinness I did my own, all of it bar the electrics. If you are a competent DIY plumber , and take the time to read lots of design advice, i...
if you are using the samsung controller as the roomstat, and by setback you mean that you want to alter the target room temperature at a specific tim...
This could be your smoking gun. Its a preset, lower value restricts flow more. so even with the TRV head set to max (or removed), it'll never let thro...
@crimson IR stuff - I have a basic IR spot gun which isn't bad for not much money and is quick and easy. But I eventually I got a Seek Thermal for my ...
exactly that. If you find that with the ASHP heating on, and a 400W of direct electric heat as well (whether that is one 400w heater on all the time, ...
@crimson I was thinking something like this,at lowest power 750w, or thisat lowest power 400W. Both are dirt cheap, lightweight and small, and afterwa...
@crimson your summary is pretty much spot on. something just occurred to me - if you ran a cheapo electric convector heater in your underheated room...
@crimson another sanity check, are you sure that UP/DOWN/UFH are correctly identified on those 3 valves? I do take your point that you think upstair...
@crimson gnaaah, just noticed you've got a bypass as well. In the high head loss situation you are trying to balance against, the bypass will probably...
@crimson so the downstairs is a honeywell V4043H1056 which has a KVS of 6.9 . the other two are EPH controls V222P with a KVS of 4.6. KVS is the expec...
@crimson remind your builder this is 22mm plastic, which is almost equivalent to 15mm copper in bore size. if you ask him "would you have done it in 1...
@crimson just a sanity check. have you swapped your probes around to check that the temp differences seen are not due to calibration variation.
- 22 Forums
- 2,056 Topics
- 44.9 K Posts
- 25 Online
- 3,298 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
RE: Is Your 6kW Air Source Heat Pump Really a 6kW?
Sounds like your 6kW unit is really just an 8kW with a ...
By logansmith01 , 16 hours ago
-
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
Good luck, I hope it all works out!
By JamesPa , 17 hours ago
-
@johnd it's a difficult one, because we've seen instanc...
By Mars , 20 hours ago
-
RE: IVT Greenline high pressure switch and electrical cassette errors
Here are the reported most common causes for both. Co...
By abbote , 20 hours ago
-
RE: Is your heat pump insured?
@johnmo sorry it comes across like that. The post is au...
By KevinPotts , 20 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo Perhaps a little detail might explain my reason...
By Toodles , 20 hours ago
-
Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 1 day ago
-
RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 1 day ago
-
RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 2 days ago
-
RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 2 days ago
-
RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 2 days ago
-
RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 2 days ago
-
RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 2 days ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 2 days ago
-
@editor thanks Mars that’s the same table I found in th...
By Gary , 3 days ago
-
RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 3 days ago
-
RE: why solar diverters for HW instead of the heat pump?
For me there are few factors why you may want to heat w...
By Johnmo , 3 days ago
-
RE: Hydronic plinth heaters and ASHPs
@editor yes I think so. It will be a while until I get ...
By benson , 3 days ago