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Mars
Mars
@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Apr 28, 2026
Profile Activity
Topics: 356 / Replies: 4160
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Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

The heat pump was installed during a cold time so running costs will be higher than normal. It’s a lot milder now so your running costs should have dr...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

I saw that too, but wasn’t clear what was happening pipe-wise on the other side of the tank, but looks like a 4-port buffer.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!

I spoke to an installer last year who made a really important point that stuck with me. Circulation pumps don’t just make ‘disturbing’ noise on their ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP

@iotum, let’s get the conversation back on track. Did you have any further queries about MLCP?

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP

I’m going to step in here. Any further arguing, bickering or personal back-and-forth on this thread will be removed. No exceptions. Renewable Heatin...

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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