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Last seen: Oct 26, 2026
And a buffer tank doesn’t even guarantee minimum flow. We had a buffer and still suffered constant flow errors. Our system needed roughly 30 l/min and...
@jamespa, fair point about Octopus.
That’s honestly wild. I had no idea it worked like that. I’d always assumed MCS selected a property at random from an installer’s recent jobs. If the ...
@bart, it's utterly nuts what you've been through! This is a good place to keep the conversation going. Do you need someone to come out and do a ...
@gruff2001, your experience exposes the MCS audit for what it truly is… a shallow, perfunctory box-ticking exercise masquerading as serious oversight....
@razz, unfortunately ‘hydraulic separation’ has become a comfort blanket phrase for poor installers. It’s not inherently evil, but it’s also not a fre...
@errmm, have the original installers not come out to have a look and find the issue?
@crankplus, nope, still not, and I've followed up with Vaillant. Their lips are sealed. But wonder if anyone else has heard anything.
@davidb, if the flow has drifted back to near-closed and the adjuster now isn’t doing anything (bearing in mind that I'm not a plumber or heating engi...
@davidb there isn’t really a universal 'rule of thumb' number for UFH flow rates, which is why I was careful not to present 1 l/min as the answer. In ...
@errmm, curious to see if there have been any updates on this project. Please let us know.
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