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: May 15, 2026
@prunus Hmm 57 vs 65 does seem a way off, but perhaps not impossible. Given the purpose, one might argue that its not fit for purpose! I...
@batpred You are very welcome. Daikin 'customer support' was essentially non-existent when I was looking for my heat pump. Basically the answer t...
I suppose that you could be instructed manually to switch the main switch on the CU. But how could it tell the difference between this and the absenc...
If the cut out is at 65 I would guess the max design temp is 60, so actual of 57 is plausible albeit at the margins. Bear in mind these are generally...
Firstly can I say how sorry I am to hear your story. Water leaking isn't bad design or anything to do with ASHPs, its just shoddy workmanship which (...
You need one hot water tank. Its typically about 500mm diameter and perhaps 1.3m high, although it depends on what capacity you want (see comment be...
Ah. Ok with immersion at bottom then the whole cylinder should eventually heat. The hottest point will still be by the element, but you would expect...
Once administrators are called in the Directors of the company lose control, so it matters not what their intent was, its the administrator that is in...
I think this is an important point to keep repeating, but perhaps with some context: I looked around for independent Heat Pump CSAT reports and ca...
Yes but you may, like me, have the PV on a separate circuit protected by its own RCBO (a 2011 install). I dont know if the RCBO is bi directional or ...
like almost everything else in Grant's original wiring schemes, should be ignored - as you have Very sensible! Do you know...
Not sure which sensor you are referring to. When the heat pump heats the DHW (ie normal DHW heating not the legionella cycle) it relies on the tank...
- 26 Forums
- 2,634 Topics
- 61.5 K Posts
- 374 Online
- 7,030 Members
Join Us!
Latest Posts
-
RE: Setback savings - fact or fiction?
TBH I'm not sure saving energy has been proven yet (see...
By RobS , 10 minutes ago
-
RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with an app. But you can g...
By JamesPa , 2 hours ago
-
I was directed to this app for my growatt system and no...
By David999 , 2 hours ago
-
RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 3 hours ago
-
Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 6 hours ago
-
I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 7 hours ago
-
RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 8 hours ago
-
RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 8 hours ago
-
RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 14 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 16 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 1 day ago
-
Current metrics - DHW target set to 47c
By TaffontheTaff , 1 day ago
-
RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 1 day ago
-
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 2 days ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 2 days ago



