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Last seen: May 5, 2026
@jamespa it's a bit odd. The CH pump is running. All the time. I tried to run the CH by switching on both the two zone thermostats but nothing happene...
@jamespa flow temp 🤔 how do I check that?
@andris a great year - very happy with our system
Hi, interesting about switching tariffs. We are on octopus go & outgoing lite. As we have a phev car - it only takes 7kWh. This means we get 5 hou...
Hi, good to hear. To be honest, I've given up with the idea of wifi & remote access. It's all working fine. Once you've got the heat pump set up -...
@technogeek Hi, I've been using the Hive thermostat and WiFi controller for 6 months now. All fine. Means I can access it remotely and fine tune the r...
@jamespa Hi, to be honest with the Eco4 install we had to take what they have us. Kind of all or nothing. I was disappointed that they didn't honour t...
I have two wireless receivers. I was going to connect the signal lines together, so when the Hive stat calls for heat it signals both. I'd then switch...
Ok I've adjusted them to 15/30, -2/43 See how that goes. There seems to be three valves see pic
I have the hive on one zone and the old Neomitis stat on zone two, they both call for heat and presumably open the appropriate zone valve. I could jus...
Hi Thanks for all the info. I've adjusted the WC or Water Law as Samsung call it to 14° - -2° 32° - 45° With the water temp reduced from ...
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Latest Posts
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Thanks for sharing that. Your objective seems very sen...
By JamesPa , 1 hour ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Very nice. Ours was the opposite, about 10%...
By Papahuhu , 2 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
A couple more points about placing solar panels at low ...
By Transparent , 3 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 1 day ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 2 days ago
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 2 days ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 2 days 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 , 4 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 , 5 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 , 6 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 , 6 days ago


