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Last seen: Mar 23, 2026
This just posted by Byline Times:
I used to (and still do to some extent) have "water flow" noise in my pipes which made me turn down the circulating pump at times, and I guess this i...
@editor The trick to an inside unit installation is to put it in someone else's house 😉
My parameters are: 42 00 = 0 (so the next three values don't matter, and they are the default values...) 42 01 = 3 42 02 = 5 42 03 = 3 51 11...
@damonc The only time the circulation pump on my HP runs 24x7 is when it's in "frost protection" mode i.e. OAT goes below 3C, when it stays running un...
@damonc I was refering to the 'standard' energy sticker that comes with the HP which I think indicates (for my 10kW Grant) that output rating varies b...
@steam-powered Hi - for 'power consumption' I use the '01 06' value (from the controller), which is in units of 100W, but most of the figures presente...
Hi, I have a Grant 10kW (nominal 9kW for the UK), which is, I believe correctly sized, but this is a retrofit on a 70s converted bungalow, with radi...
I've been following this thread since it began, and it's very disappointing that the installers, and follow-up trade still haven't sorted your issues ...
@grantmethestrength With respect to weather forecasts, I used to have my "DHW hour" fixed at 3-4pm, for obvious reasons, but have changed it to look a...
If it was working okay last winter, and not this, then implies something in the set-up has changed, or something is broken (but if that was the case I...
Sorry, no. My Grant has only died once and that was me causing the RCBO to trip. If the fault reset didn't work (and assume you also tried the all-pow...
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 2 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 2 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 3 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 5 hours ago
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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 , 5 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 10 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 13 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 15 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 17 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 18 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 18 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago



