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Last seen: May 25, 2026
If you tweak the lockshields you'll unbalance the rads so nope. Just TRVs open. It's a simple sanity check. If I read correctly you used to have 30l...
The tank used as volumizer behaves like a portion of extra large diameter pipe, it has negligible flow resistance and pressure drop, no worries about ...
I think recent versions of the Yonos Pico can display both pressure drop and flow rate in m3/h, if yours does that, you can check the flow will be suf...
The heat pump is humming along, I talked to the neighbors, they said they saw it but didn't hear it, asked if this thing is even on? Not even in silen...
Yeah that's the idea, it's dead simple. Personally I'd put it on return instead of flow, as the lower temperature minimizes heat loss from the tank ...
I had issues with similar temperature probes, the error can reach a few degrees, which matter in your case since the temps are pretty close. Best ac...
Yup. As an engineer, perhaps the most important part of my job is to put my foot in it. Toxic positivity is deadly. You have a situation that is, ...
Here in France fan coils are pretty rare for residential so when I contacted distributors they simply didn't want to talk to private individuals lol ...
I assume the Wilo pump in the photo is on the load side, not the heat pump side. In this case changing the settings on the Wilo will not influence t...
Every power conversion circuit has an optimum efficiency point. At low load, power required by the circuit itself becomes a significant part of the to...
Bullshit. Rubber hoses do let in some oxygen, but that oxygen will travel in the circuit to corrode iron somewhere else. Just because some O2 enters...
You can get an idea of what these shavings are: They're not rusty, so not steel. You can always try with a magnet. Crush it with some pliers to ch...
Latest Posts
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@mars I have been thinking about your questions and obs...
By JamesPa , 53 minutes ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 12 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
By JamesPa , 13 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 21 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 21 hours ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 22 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 23 hours ago
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Mentally you have to separate the ac side and the DC si...
By JamesPa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
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Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
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I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
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Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 4 days ago
