Last seen: Oct 20, 2025
@old_scientist I had an automatic float type air vent on my old open heating system at the top of the circuit. It only had a small static head of abou...
We have a manual air release valve on top of the Grant Low Loss Header/volumiser. This is a good location as the velocity through the system is lowest...
Hi @josephiah, there's quite a good range of small commercial 3Ph electric heat pump units, or reversible chillers. Example:/span> Many use R290 pro...
@howardp99 it might have saved me £8 compared to the price rise details announced 20th Sept. I didn't updated my spreadsheet with those. Were an all-e...
I've singed up to the fixed Cosy Octopus tariff. The fixed 12month rate is currently slightly cheaper than the October 2025 Cosy price rise rate. it's...
Hi @sbm74 - wow, 650m2 - that's a big pile! But, 60degC max flow temperature - eh, what, why? Building regulations also set the maximum design flow ...
Roof trusses and dry lined ceilings are a massive sounding board. This is a very common issue with sparks who screw bathroom extract fans direct to ro...
Central heating still switched off and will be until October. The Octopus Cosy account has built up a good credit over the summer, but I have over a t...
I played 'stick' rather than 'twist' this summer. I would normally have flipped from Cosy to Agile, but to be honest I decided I 'CBA' to check the Ag...
A good question @toodles. My old open thermal store and oil boiler chugged away quite happily, if expensively, unpressurised. But the header tank was ...
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RE: Options on flushing my system
@grantmethestrength with your pragmatic approach and &#...
By SUNandAIR , 10 minutes ago
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RE: New Fogstar 15.5kWh upright solution
Well the BMS on its own can't initiate a Charge from Gr...
By Transparent , 1 hour ago
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RE: Samsung Heat Pump – Can't Activate TW2 Pipe Sensor (for Delta T Control)
@batpred For the moment I'm sticking with what I have, ...
By bubuontheweb , 2 hours ago
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@jamespa Not the Samsung but I have openenergy monitor ...
By bontwoody , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa ive found out today the Thermix plinth heaters...
By AdamK , 2 hours ago
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RE: Electricity price predictions
Nice to be back on track! If we all had the interest, s...
By Batpred , 2 hours ago
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RE: Say hello and introduce yourself
I think this is where we may differ. Nothing makes sen...
By JamesPa , 2 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
Enable installer mode - 5678 Enter the Space Heating/...
By bimbleuk , 3 hours ago
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Is your installer MCS certified? If so, they should reg...
By Old_Scientist , 3 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas So the answer from Mitsu was: To Confirm you ca...
By bontwoody , 5 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Grant Aerona 3 10 HPID10R32
By MDG , 6 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I don't know! The Midea manuals and what actually happe...
By cathodeRay , 7 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
If you’re interested in finding out which of your neigh...
By AgentGeorge , 8 hours ago
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Hi, I have a Samsung ashp and I'm going in holiday. Can...
By richdorm , 9 hours ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
It is a crazy situation. It also seems not enough 400kv...
By Batpred , 10 hours ago
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RE: Rate the quality of your heat pump design and installation
More like Octopus wanted to fit a Cosy 6 at the end of ...
By bimbleuk , 12 hours ago
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RE: How good is the app support for your heat pump?
Yes. Personally I would only use a heating control app ...
By Batpred , 1 day ago
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RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire
The Legionella disinfection is done by the immersion he...
By Mike H , 1 day ago


