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Last seen: Jul 1, 2026
It can be controlled using PWM (profile A), yes, but we don't have a 2nd plug connected at present. I think this is the next area I'm headed ...
It's on the return before the mag filter so I assume so. Good points. Yep, already done/doing - though it feels like the effects on readin...
That would seem logical, however do you know if the FTC (via pump speed setting) can control third party pumps, or only their own? I know the Grundfo...
As mentioned above, the one I have 1) has the MITSUBISHI suffix after the VVX20, and 2) states 5..80 lpm on the front - I can't find much info or suff...
Again, thank you for another thorough post, @derek-m - will revert once I've digested / understood and prepared a cohesive, relevant response!
A bit of a late response to this reply, however thank you for doing so, @sunandair. I've done some more reading around this since my previous post, ...
Thanks for the reply, @editor Mars. Interesting. I've not been monitoring mine long but I've not seen it above 58Hz (on normal DHW function onl...
Brendon, Any ideas what the frequencies are that the Ecodan (6kw) works at/steps up+down to/from, including any correlating to 'full power' (running...
I'd appreciate anyone's thoughts on this, having read in one or two posts (I now can't find...) that longer hoses can reduce/eliminate vibrations trav...
Yes. Where would the optimal position and method of stepping down? I assume nearest the unit, so at the unit's inlet/outlet - but not sure how. ...
This comment has me thinking whether adding concrete/slabs may introduce the possibility of vibrations, when some flexi feet (to raise off ground) on ...
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Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@old_scientist Have you ran the numbers as to which ...
By Papahuhu , 2 hours 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 hours 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 , 5 hours 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 , 5 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 6 hours 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 , 23 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 23 hours 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 , 2 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 , 2 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 , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 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 , 4 days ago



