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Last seen: Aug 19, 2026
Interesting. I must admit Id be very reluctant to get a different model to the one I need because of a known software problem, assuming Vaillant adm...
OK so downstairs is 'after' upstairs. You may have to throttle down the LSVs upstairs, increase the pump head if thats an option, and open up (if you...
Something is wrong with the plumbing for sure. Have the downstairs rads been bled? Are they on a separate primary or do they share a primary with th...
Im not an Ecodan exert but I would say that the first picture confirms its cycling, roughly every 15 mins If its about 8C outside, which the BBC sug...
Can you post some plots so we can have a look please? At present many heat pumps will be defrosting (which can look like cycling) because current te...
@ivanhoew I must say I echo what @cathoderay is saying here. I hope what Im about to add doesn't offend you (and apologise if it does - its no...
Good you are making progress. It sounds like the internal noise problem is fixed, just in case it's relevant it took 4 weeks for all the air to come ...
Good. Please post any outcome and be persistent with Vaillant. I think you may have a particular problem, but even the 'commonly reported' increase ...
Its becoming clear (and installers are beginning to come clean on the matter) that buffer tanks are unnecessary in 95%+ of domestic situations. They ...
In another thread somebody with a Samsung HP is adjusting/optimising their WL settings having balanced rads and disabled external temperature control,...
Thanks for coming back on this. As you have probably gathered Im not a Samsung expert, just an amateur who has been studying this stuff for a couple ...
OK I get you now, you are using the scheduled programmable temperature feature on the Drayton. This will switch thee heat pump on or off according to...
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Degrees of Separation
Latest Posts
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I think Bart’s experience exposes and illustrates the f...
By Mars , 12 minutes ago
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RE: Is it the house or the equipment?
Yeah refrigerants are complicated. They need to have th...
By bobflux , 37 minutes ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Agreed, @jamespa and @judith. That’s just it. A fair nu...
By Majordennisbloodnok , 11 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 13 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 16 hours ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 19 hours ago
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Readers here please note that Derril Water and many oth...
By Transparent , 20 hours ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 21 hours ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 21 hours ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 21 hours ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 2 days ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 2 days ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 2 days ago
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