Last seen: Nov 30, 2025
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...
Hi @harleecooper, you'll get some help here. But it may be well worth getting in an expert in renewable heating to look at the system set up and commi...
Refrigerant efficiency is quoted in absolute terms with reference to the refrigerant properties. There are many more variables that determine the over...
Welcome @biagg from a fellow Grant 10kW Aerona owner. The key with the Aerona is to have all radiators and thermostats constantly calling for heat a...
Great news @crimson on the primary flow. Get well soon in what hopefully is a warmer house. I need to research that LLH to see what internals could im...
All pipework on CH and DHW side in plant room that can get warm, flow and return, even expansion vessel connections, should be insulated. heat lost an...
Thanks @crimson, buried primary piping looks a proper product, probably Isoflow or similar. Good. Primary flow must be fixed #1 priority. Clean stra...
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RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System
You seem to be on the right track... Installers are rec...
By Batpred , 2 hours ago
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RE: Electricity price predictions
If anyone is looking to quote any opinion written here,...
By Batpred , 3 hours ago
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RE: Heat Pump Training vs. Real-World Installation
@lucia, fair play to you for diving into grid balancing...
By Mars , 4 hours ago
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
there's a detect cycle setting (4200) on the old grant ...
By damonc , 4 hours ago
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RE: Flow rate discrepancy between ASHP and manifold
Hello, I thought I'd update this thread now that the in...
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
JamesPa. Thats one thing that I do have right. Cross ...
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman It's also worth highlighting that th...
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RE: Help…my NIBE heat pump has faulted again!
@Fiona, James is right. The unit should still be under ...
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
. It does but, unless there has been a firmware updat...
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RE: Solar panels on side of house to heat water
Not a problem, @toodles; introducing another option bac...
By Majordennisbloodnok , 9 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yesterday it was chilly and the cosy6 had a Cop of 4.3 ...
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Same here! This month 187kw.
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RE: Grant Aerona circulation/system pump staying on
@mikefl thanks, so to check is your parameter 4200 set ...
By damonc , 11 hours ago
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Are Water Companies Delivering Bricks?!
Please look away now if you don’t wish to lose several ...
By Toodles , 11 hours ago
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@jamespa Ah, they do indeed do firmware updates very oc...
By Toodles , 15 hours ago
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I’m trying to rule out a fault, could owners of above c...
By Unsure , 15 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
And I thought I was the one with the taxi on speed dial...
By Majordennisbloodnok , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
The problem I see with A2A (and I'm interested if there...
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
@temperature_gradient I specifically explained to my po...
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RE: Grant Aerona Short Cycling
@damonc I was refering to the 'standard' energy sticker...
By MikeFl , 2 days ago


