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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Nov 13, 2025
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Topics: 4 / Replies: 279
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Gone with Fernox Alphi-11, relieves the installers concerns on no anti-freeze (glycol), and Eskimo got back to me saying it's all good. They've flus...

1 week ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

  They're here today, he brought both: Fernox F1 Fernox Alphi-11 - the one he'd like to use as combination inhibitor/anti-freeze  ...

1 week ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Installers coming tomorrow. One has messaged messaging not got Fernox F1 but Fernox with antifreeze. What are thoughts on that? He’s happy for me to d...

1 week ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

  Thanks, patience is something I’m trying to maintain (third winter now and I’ve stock piled some wood lol). Thankfully the architect had fore...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

@jamespa agreed, your comments are basically the heat specialists responses to Grants mail. Got to say, wish A) builder listened to me when sai...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

  missed this sorry. No idea why, builder and installers contacted them and they stood by their factors. I think I saw them on some programme a...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Forgot to say a few pages back, i got them to send me written evidence from Grant for the LLH. Was some conditions Grant wanted to account for due to ...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks, I’ll try and send docs and soreadsheets next week, away currently. the Eskimos in regards to performance were their correction factors, of...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

I’m letting them proceed.   will look into other aspects once confirmed its working/not working. Eskimos - I suggested as they couldn’t fin...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Treble post apologies.   To be clear - myself and specialist have said why not just remove the LLH and the house side pump, keep zones open e...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

And to add at all stages the installers have blamed Eskimos for: not performing at Eskimo’s stated specs (when the non Eskimo rad WC room in the zon...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

  The problem is the downstairs front zone. so for context there’s 3 zones: Zone 1: UFH ground rear 1x 40sqm kitchen/dining 1x small ut...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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