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Last seen: Jun 13, 2026
Totally agree @mikefl. The way Grant runs the CH and DHW is dumb, with no intelligence between the two. It's basic S plan stuff from 40 years ago. The...
@crimson this is great news. 😀 Those little temperature probes are very handy, accuracy is probably +/-1degC. They certainly help with understanding ...
No further questions m'lad 😉
@transparent let's keep it simple. You're overthinking it mate! The OP here has Cosy Octopus and wants to run, for as much as possible, their future A...
The Growatt SPH5000 inverter will support 2x Growatt 6.5kW batteries. Max inverter output is 3kW at 240V AC 1 phase, which will cover most of your ste...
@toodles You were unlucky. I got the same 4 digital sensors over a year ago and all batteries are still going strong. Great devices across the low los...
Hi there and welcome. 🙂 Growatt app is very clunky and sometimes misbehaves. OEM service support in the UK is non-existent from Growatt, but YouTube ...
Hi @mikefl, Grant don't normally connect anything to terminals 7&8 to enable the parameter, and rely on the external 3rd party tank temperature th...
Oh that's not good. The pressure is regulated in the Grant hot water tank, and it's a mains pressure unvented type system. The brass cap on the tank c...
Via contacts on LinkedIn. Yes, the same exposé 😉
No great surprise there. You get what you pay for... There were suspicions last summer:/p> A well-known UK stockist of Japanese made ASHPs by Chof...
Happy to prepare some words on the HIVE smart TRVs @editor. Spoiler alert - it won't be particularly complimentary. I've been less than impressed with...
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Latest Posts
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RE: Heat pump installation quotations
@batpred The only draughty place is in the living ro...
By sttpd1917 , 18 minutes ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 34 minutes ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 39 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 4 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 4 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 5 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 5 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 5 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 5 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 6 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 9 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago



