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Prunus
@prunus
Member
Estimable Member
Joined: Apr 6, 2021
Last seen: Apr 8, 2026
Profile Activity
Topics: 5 / Replies: 68
AllTopicsReplies
Reply
RE: Buffers, hot water and cooling

Agreed, you get loss of optimality - but it continues to work, rather than just breaking. That's what I'm trying to do: design and insulate it ri...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Buffers, hot water and cooling

I wondered about that. Wouldn't that potentially cause issues with flow rates? I have no idea what the flow through the radiators is, and I thought th...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Homely launched for Grant Aerona ASHP control

I haven't bought the Aerona Smart Controller (£700!) but my guess what they mean with 'retrofit' is basically undoing all the weird external switching...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Antifreeze top up for my heat pump - is this a rip off?

For the record, Grant supply ethylene glycol for their heat pumps: Grant Inhib03 Heat Pump Fluid (Heat Pump Concentrate) - MSDS: So if it's a Gran...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Topic
Buffers, hot water and cooling
9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 16
Views: 2571
Reply
RE: Which micro inverter is more suitable?

There shouldn’t be a problem using an inverter rated higher than your panel output. Maybe there will be a small efficiency loss at the low end (grey d...

3 years ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Noisy Grant Aerona 3 13kW ASHP question

One thing I fixed was my dozy installer had screwed the copper pipes from the ASHP to the loft joists with regular brass pipe clips. (Flexi tails outs...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Noisy Grant Aerona 3 13kW ASHP question

@jimbo69 As a follow up to my post above, I solved the other cause of my noise. The installer fitted my system with a Honeywell Lyriq on-off controlle...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW with Grant Aerona link to cylinder temperature

It is possible to install a thermistor (10K, beta=3435, 1%) in the DHW cylinder so the tank temperature can be read by the ASHP. However this doesn'...

3 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Move along, nothing to see here....

API keys are like passwords, but used by computers. They allow access to private resources and data like passwords do, although API keys are often sho...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid ESO peak hour rebate

It turns out Octopus have an API for reading the times of future (and past) 'saving sessions', as well as the points you've earned. I hacked up a qui...

3 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Heat pump servicing and maintenance

NRM Plumbing and Heating (St Neots, Cambs), £120+VAT. According to the invoice, checked the filters, glycol mix, outdoor unit. I didn't ask for a lis...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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