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Last seen: Jan 28, 2026
Update on this. It irked me that the plant room pump had to be on 1/3 not 2/3 so reached out to plumber and asked if the Grant ASHP speed had changed...
It seems opening them back up does reduce the temperature. Which makes me wonder if the rate at which the water passing through is too fast? Certain...
Out of interest, does anyone have an idea why in the hottest performing room, turning the rads down (basically closing down the lock shield equivalent...
So now I’ve come to the conclusion the rads are now correctly sized (did hope so as according to calcs they’d be very much oversized, just purely phys...
Going to be a struggle, already complaints upstairs is too hot at 19-20C. Ive now had to turn all the hidden Drayton balancing down to 2/6. And have t...
Thanks James, it’s a 13Kw. It’s definitely cycling. Only difference this time is hits 20c rather than 18.5c after radiator upsizing was done recentl...
Thanks James, I do wonder about that LLH. It appears the challenge Ive always had still remains. The Eskimo rads seem to work very well at low tem...
As a summary I had numerous issues with the heat engineers/plumbers on a project that was an extension and full re wire/re plumb and re insulate proje...
@kenbone I’m Suffolk based
that’s ideally what I’d like to have done to (once current plumbers sort the rad sizing under the contract, I don’t want them touching anything else)....
Hi Ken, lagging is done just used an old photo for the detail of pipes. I’m hoping for rad upsize replacement then will look later in the year for rem...
4 days later, with guests over the weekend I left things mostly alone. I did end up changing the secondary pump speed to 1/3 as lock shields became a...
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RE: Anyone concerned about GivEnergy?
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
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There are just too many unknowns for me to comment on p...
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RE: Brand and installer questions for ASHP
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RE: My Grant R290 9kW Heat Pump Installation
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RE: Say hello and introduce yourself
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
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