Last seen: Jul 6, 2025
@toodles Just to close this track, my installer was happy with the pump speed adjustments. Primary Grundfos Pump on speed setting 1 and Secondary Wilo...
@transparent Thank you for your comments. I have insulated my loft Automatic air valves and brass connections by wraping in Topsleeve Sheep wool pip...
@johnr @transparent Thank you for your suggestions. Yesterday I found out that the Air Valves are in fact automatic so I have to be a bit more caref...
@allyfish Many thanks for your reply. I was afraid I am getting too fussy although my installer may still think so! I am surprised that there are no...
@johnr I think I may have missread something somewhere as I now understand that the secondary pump flow rate should be equal to or greater than the pr...
@johnr Hi. I think I may have missled you in that my buffer is configured in exactly the same way as you describe. Whats a little bit concerning for...
@toodles Thanks. I haven't forgotten you. Due to the low outside temperatures, my ecodan is going into anti-freeze at night when the set back means ...
@johnr Thank you for explaining how your buffer is connected and the details of the temperature at each of the four ports. Both &toodles and I h...
@toodles Of course the difference between the Daikin and Mitsubishi is that the Daikin has a built in primary circulating pump, controlled by the Daik...
@grumpidoc Please remember I am just a new heat pump user and not a heating engineer but I have picked up a few things on my journey! None of the belo...
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@old_scientist I found the switching between tariff jus...
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RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
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@editor @bart Hi, I can see a few problems with your in...
By Brendon Uys , 10 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
Well at least that solves the mystery of where the exce...
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
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RE: Location of hot water isolation valve on cylinder
@rossowheels if you isolate the water supply in it will...
By ASHP-BOBBA , 1 day ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 2 days ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 2 days ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 2 days ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 2 days ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
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Have your say in the Renewable Heating Hub Awards
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 4 days ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 4 days ago
