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Last seen: Dec 24, 2024
@david999 I haven't seen glycol in a system for about 2 years if I'm honest. Anti freeze valves all the way for me. Glycol is horrible stuff that make...
@david999 the student will become the master 😀
@david999 I was trying to be lenient on the installers but that's taking the "biscuit". Good luck and post how you get on 👍
@david999 haha atleast the freezing was resolved. Isolation valves around the 3 port would be nice as long as they are full bore (full flow) althoug...
@david999 Hi David, that all seems fairly reasonable, and if Samsung have signed off on it and you have that in writing then great. It is alarmingly c...
@david999 That pump is a very small 6m head pump, I think at your target of 45lpm that pump can only produce something like 1.8m head. The pressure...
@david999 If you had 36-40lpm I would accept as you know it would atleast be able to supply enough heat for your particular property, with only being...
@david999 11.19kw heat loss means that you need a minimum of around 35-36l/m to meet the heat load at the design temperature, if you are only getting ...
@david999 Hi David, sorry I'm not quite sure what you mean? Heat pump systems can go into 100's of kw, even megawatt systems. If your heat loss is i...
@david999 if it's an MCS registered install you must be given a copy of the heat loss calculations which should be your starting point. 29lpm is rou...
@david999 out of interest what was the heatloss figure for the property? 46lpm is correct for a 16kw heatload, however the Samsung can only output a...
@toodles You have 3 settings on the PWM settings in the MMI controller. You can set it to: UFH which is slow response, adjustable DT Fan convect...
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I use the A2A for shoulder periods ...
By Watcher , 9 hours ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 13 hours ago
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Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 20 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 23 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 2 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 3 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 4 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 5 days ago



