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GrahamF
GrahamF
@grahamf
Member
Reputable Member
Joined: May 2, 2025
Last seen: Dec 19, 2025
Profile Activity
Topics: 6 / Replies: 97
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?

@toodles interesting suggestion, thanks. I will try to resist the temptation to hijack someone else's topic to solve my problems!

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on internal circulation pump noise

@jtg while you are checking the plumbing of the buffer tank, make sure the flows are at the top and the returns are at the bottom. Mars explains in t...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on internal circulation pump noise

I agree with @jamespa that your buffer tank and secondary pump may not be required at all. I have a 1960s two storey house with 30 radiators. I have...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?

A quick Google search showed that building regulations have required floors to be insulated since 1990, so you should have some. However, your floor ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System

@batpred I installed Home Assistant on my MacBook Pro last night. This is just a temporary platform for me to learn about it. I tried to use the Tes...

4 weeks ago
Forum
Energy Storage
Reply
RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System

@batpred thanks very much for your help. I rang Tesla support and he sent me the SSID and password of the lead Powerall. I downloaded the diagnostic...

4 weeks ago
Forum
Energy Storage
Topic
Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System
4 weeks ago
Forum
Energy Storage
Replies: 5
Views: 156
Reply
RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

@unsure you make an interesting point about longevity. Most of what I have read and heard says that compressors are worn out most by starting up and ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

I have a Grant Aerona 290 15.5 kW with the Smart Controller. I have radiators throughout the house and no underfloor heating. I am running on Shift ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Confused by Flow Rates

@grantmethestrength Your system is constantly cycling, but fortunately the frequency of cycling is not very high. Have you tried lowering the weath...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: When to use Octopus Intelligent Go tariff with my heat pump and battery

@treewizard That's probably fine, provided as you say you don't mistreat it by very frequent cycling.

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: When to use Octopus Intelligent Go tariff with my heat pump and battery

@treewizard Very interesting, thanks - although I have seen the follow-up explaining that the Netzero app costs £7 per month. Do you know if third...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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