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Last seen: Jun 11, 2026
@jancold Not a plumber but I believe that is the blending valve and pressure regulator. No experience on how to adjust it. Another thoug...
Have you considered the Thermostatic Mixing (Blending) Valve (aka Anti-Scald or Tempering Valve) that mixes the hot water with mains to control the te...
This is how Daikin run their heat pumps. Weather Compensation + Thermostatic control = Water pump runs Continuous or OnDemand (default) - configurab...
Enable installer mode - 5678 Enter the Space Heating/Cooling menu Enter Pump Operation Mode - Select Continuous or Sample (default) Enter Pump ...
I think it's worth adding here that when you enable the Daikin LWT mode the pump switches from demand/request to sample. That means the pump will cycl...
More like Octopus wanted to fit a Cosy 6 at the end of the garden, avoid planning permission and re-use the tiny airing cupboard. My preference was to...
@toodles Useful reply and because Heat Geek mentioned it in the Daikin MMI vid I didn't do any further checking. Using Grok again to sift through all ...
Just to say I did read this post before joining the forum and it inspired me to start looking up the LWT mode. I had seen the Heat Geek Daikin MMI vid...
Octopus - Daikin Altherma 3M 4KW heat pump install - April 2025 My overall experience has been excellent. My house is a fairly straight forward 2 be...
DAIKIN ONECTA Simple answer is not a great deal. You can monitor the current hot water and heating modes. The temps and targets are indicated when...
Daikin Altherma 3M - 4kW (R32 2022 Release) (EDLA04E2V3) Installed by Octopus April 2025.
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 5 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 6 hours ago
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RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 6 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 6 hours ago
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RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 6 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 6 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 10 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 13 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
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