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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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@little-lights welcome to the forums and I'll try conne...
By Mars , 38 minutes ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 1 hour ago
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RE: Renewables & Heat Pumps in the News
The problem is that HVO isn't just easy to use in a boi...
By Temperature_Gradient , 2 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 3 hours ago
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RE: Considering getting a Vaillant air source heat pump
Thanks, I use the buffer tank concept in the same way a...
By Batpred , 3 hours ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 3 hours ago
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RE: Microbore heat pump installs
Right, JamesPa, they don't, but me being nosy .... want...
By LeJamaisContent , 4 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 5 hours ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 8 hours ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 11 hours ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 23 hours ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 1 day ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 2 days ago
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RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 2 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 2 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 2 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 2 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 3 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 4 days ago
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
The rule of thumb is to ensure that you can isolate any...
By Transparent , 4 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: Alan(alan22) Manufacturer: Valiant Mo...
By Alan , 4 days ago


