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Last seen: Oct 1, 2025
@markc The installers put buffer tanks in to stop low flow errors occurring with their badly designed heating systems. It covers their inadequacies, a...
@derek-m You are correct for old fixed compressor units. Most manufacturers recommend 10 litres per KW from flowing volume for a heat pump. Most new i...
@markc That valve you have there is a low flow high-temperature valve, you are throttling your system, effectively it cannot breathe. You need to chan...
@markc You are right, I think Mars needs to organize the forum a bit better.
@batalto As Suspected, It is a fit and forget configuration designed by Freedom Heat Pumps to prevent call backs due to the inability of their install...
Actually there has been little change from prior to MCS being launced appart from an indcrease in the price of installations by 2000-3000 pounds, ther...
@editor Actually Mars, it would make more financial sense to get your system fixed, you would not drive your car with flat tyres. There is not much ...
@batalto Unfortunately, if you do not do things properly, it may not work. Like trying to drive a car without pumping up the tyres. It is all there bu...
@derek-m I agree, unfortunately this industry is self-destructing and nobody seems to care, it is very frustrating. I hope, someone will read my con...
@batalto The pumps are more than likely too small and not capable of transferring sufficient water to deliver the heat. However, the buffer thank is...
@batalto Is it a 4 pipe one with a pump pumping round your radiators?
@batalto Do you have a buffer tank or system seperation?
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
@editor Thanks Mars, I have been enjoying playing with ...
By kilgorexv , 19 minutes ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 3 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 6 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 6 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 6 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 23 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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