Last seen: Jan 31, 2025
So, looks like it might be an incorrect sizing of primary pump. The installer (who was the subcontractor to who I used) came out and advise he was nev...
And we are now back down to 7.2lpm but heating is still going
Sadly the strainer was clean but the act of opening, removing and closing again has bumped the loom lpm up to 8.5 which has stopped it from tripping o...
@transparent I will have a look first thing. Tis rather dark and wet. Tried to open the strainer with one hand while holding a torch so I could see ...
engineer is booked to come Thursday. One thing I have noticed is that the circulation pump is pushing water through at 0.8m3/h which is roughly 18lpm...
Home Energy Scotland scheme
@ashp-bobba Lower pump, bottom right
@ashp-bobba So it was installed 6 months ago should still be covered but the installer was a solar guy who subbed the work out. The initial design wa...
@ashp-bobba So there is the Evosta 3 and also a Grundfos UPM3 FLEX AS The Evosta3 is set to regulation mode 3 with constant curve and the Grundfo...
@ashp-bobba Ahh no sorry, its the first winter. So this pressure release valve, I unscrew the small cap and push down?
@transparent Sadly not
I've just been unscrewing the little plastic cap and air was coming out. didnt realise it plunged!!!
- 22 Forums
- 2,056 Topics
- 44.9 K Posts
- 39 Online
- 3,293 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 , 4 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 , 5 hours ago
-
@johnd it's a difficult one, because we've seen instanc...
By Mars , 7 hours ago
-
RE: IVT Greenline high pressure switch and electrical cassette errors
Here are the reported most common causes for both. Co...
By abbote , 8 hours ago
-
RE: Is your heat pump insured?
@johnmo sorry it comes across like that. The post is au...
By KevinPotts , 8 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 , 8 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 , 21 hours ago
-
RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 21 hours 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 , 1 day ago
-
RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 1 day ago
-
RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 1 day 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 , 2 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 , 2 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 , 2 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 , 2 days ago
-
RE: Hydronic plinth heaters and ASHPs
@editor yes I think so. It will be a while until I get ...
By benson , 2 days ago