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Last seen: Mar 14, 2024
I would contact your home insurance company they would normally cover this with their track and track service I would have thought. With 400 ltrs a d...
@derek-m The original heat loss had a design temperature of 50c based on -2.2c external temp and 21c desired internal temp
From the heat loss survey it looks like upstairs has a heat loss of 5.69KW. I've also been told that some heat loss calculations are overly conservat...
@william1066 Grant engineer said the flow rate would be lower with DHW because it's heating to a higher temperature unlike the heating circuit
Ok thanks for this I think it's becoming clearer to me what needs to be done from all of your suggestions. Maybe this is going to be a bigger job tha...
@heacol thanks for all your responses. The problem I have is when the Grant engineer came he disconnected the HP from the system and connected his fl...
So the recommendations were coming from a heat geek installer who I would have expected to know about system design and his suggestion to use 35mm was...
Quick update - I had an heating engineer take a visit to our place and has suggested the following : - Change the 28mm primary heat pump piping to 3...
This is what I found behind the reason for installing a combined volumiser/low loss header -
@shapingstuff a secondary circulating pump will reduce the temp in your cylinder quite quickly and will be expensive to run if it's on all the time. ...
@bretix It was actually part of the RHI scheme so I got a rebate back for installing the metering and monitoring package - a bit of a no brainer for m...
@allyfish Interesting would be a good option as a backup should the ASHP were to fail and we needed at least some minimal heating in the colder months
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
Interesting read from NESO on their Demand Flexibility ...
By Old_Scientist , 2 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 4 hours ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 14 hours ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 17 hours ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 21 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 23 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 2 days ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 4 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 4 days ago
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