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Last seen: Nov 12, 2026
@bobtskutter Hi Bob. Daft mistake with the valve. The red expansion tank is not attached to the hot water cylinder. I can't find the PSV you menti...
@bobtskutter Thanks. Pressure remains steady at 1.2 with the system idling after House Heating. No idea what's trigering the drop in pressure. I h...
@bobtskutter Hi Bob. Installer asked me to check the pressure relief valve on the top of the Red Expansion tank. Only air came out; pressure was 1.5 a...
@bobtskutter Thanks. Chasing up my installer.
@bobtskutter So, just to be sure I understand, it shouldn't drop to zero when the heat pump is idling? In heating mode, it seems to be staying on or...
@bontwoody Thanks. I did top it up a few days ago and that's what made me look at it today. If the pressure is gradually rising to 1.9 when the pump...
@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...
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Degrees of Separation
Latest Posts
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Sorry to hear that. In terms of diagnosis, first thing...
By JamesPa , 3 minutes ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@jamespa’s point about payback is a useful counterbalan...
By Mars , 60 minutes ago
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If it no longer works after forgetting its settings and...
By bobflux , 3 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
The Heat Geek survey and design process continues to ge...
By L8Again , 6 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 16 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 22 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 22 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 22 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 1 day ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 1 day ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 3 days ago
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