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Last seen: Sep 19, 2024
@sunandair Yes, I do tend to repeat myself, one of the pleasures of growing older. The point that I was trying to make is not to jump to conclusio...
By all means jump in Drew, particularly since you have a similar system and possibly the same problems.
The Vaillant controller actually controls the heat pump, the heatmiser thermostats just open the solenoid valves and start and stop the heat pump, ass...
Okay, if your home is getting too warm then you could try selecting a lower curve. If you make an adjustment remember that the system will take quit...
That's fine, the red indicator shows the water flow rate, which should have been balanced the the heat demand of each particular room. With referenc...
@emmajg Do you know the settings of the weather compensation curve on the Vaillant controller? The following video may help.
Thanks Emma, So you have a small system with 6 UFH loops, two of which are permanently forced on by the red caps on the valves. When you operate t...
@sunandair One has to be careful when interpreting the data obtained, since the increase in measured IAT may not actually be due to the heating syst...
@emmajg Can you provide a photo of the unit(s) to which the wires from the solenoids are connected. How many water pumps do you have on your syste...
Can you please provide closeup photo's of your heatmiser controllers and your heat pump controller.
I don't know if this applies to Vaillant controllers, but I believe with some heat pumps it is necessary to switch the controller off, and then back o...
It is thought to be the case that Heatmisers and heat pumps don't play together very well, but don't panic all is not lost. How familiar are you wit...
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Latest Posts
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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 , 4 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 , 24 hours 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 , 2 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 , 2 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 , 2 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 , 2 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 , 2 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 , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 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 , 4 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 , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 6 days ago



