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Last seen: May 17, 2026
That valve on the end looks like a lockshield to me. It doesnt appear to be thermostatic and is clearly a valve.
If you want A2W then you may want to consider fancoils or UFH either of which will do 'light cooling' (ie cooling where you keep the water above dew t...
Most (perhaps all) heat pumps have this as an option , but one that you can generally switch on/off through the menu, albeit sometimes the installer m...
I am sure I wont need anything bigger for the inverter, but the grid supply is fused at 80A so any components and cable upstream of the first MCB hav...
Thanks, I understand and indeed understood all of that, which is why my original diagram showed thick cable (illustrated by a thick line) from servic...
@transparent thanks The main fuse is 80A, I was told to upgrade from 60A before getting an ashp. In retrospect I don't know why. Howev...
I think the one in the cupboard is the MMI and the one that looks like a thermostat the Madoka. The Madoka is described as a wired remote controller ...
@bash That confirms it. The Madoka or equivalent (I think there is also another older generation device looking something like the below) should be ...
I cant comment on autoadapt (a) because I dont have an Ecodan and (b) because its likely to be house dependent. I tried the Vaillant equivalent and i...
Is that a Daikin one or a third party one and what will that be used for?. In general you want to use external controls/thermostats only as limiters ...
OK so back to your original question/the question I posed (now slightly modified in the light of new info) The first question to answer is ...
Latest Posts
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RE: Advice on Vaillant Sensocomfort
I dont know for certain about heatpumpmonitor, the kit ...
By JamesPa , 2 hours ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 3 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 4 hours ago
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UK warm homes plan - how can it be delivered?
@editor Sobering thoughts on your article on the workfo...
By Batpred , 5 hours ago
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RE: Setback savings - fact or fiction?
You are right to be intrigued by it IMHO. SOFAIK it is...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
By AgentGeorge , 14 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 1 day ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 1 day ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 1 day ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 1 day ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 2 days ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 2 days ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 2 days ago
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I have a Contactum CU. Would the below RCBO (descriptio...
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