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Last seen: Aug 16, 2026
@shapingstuff Just realised my mistake, they are called refractometers not diffractometers 🙂
I can’t answer all your issues but I will have a go at a couple. 3/ I can’t fathom that at all. The heat pump will easily have a COP of greater tha...
@Toodles Fear not, you are not alone 🙂
@transparent I cant trace the cables as they go behind the supporting board and I would have to take off the whole thing. I will have a look at what w...
@transparent so that looks like the one second from the right? It already has two cables running through it which I have no idea what they do 🙂 I ...
@mike-patrick That is certainly true Mike, have a look at this video from heatgeek
@transparent and here is the dongle outside which connects directly to my network via a poowerline adapter
@transparent My inverter is outside so Im a bit worried about weather resistant connections but otherwise I could run a cable. This is the link to the...
@transparent So far so good, so the twin wires I ran to my Samsung ASHP would be the RS485 comms medium. So going from the advice below: I would...
@transparent Not really, but im a reasonable programmer with experience of python so im sure I could pick it up. The articles Ive read seem to suggest...
@cathoderay @marvinator80 Thank you both. 😁
I think it’s best if all parties draw a line under this now. It’s no longer helping the original thread and actually is quite unedifying to anyone com...
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Latest Posts
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RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 10 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 21 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 3 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 5 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago



