Forums

Forums
Members
JamesPa
Activity
 
Notifications
Clear all
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 11, 2026
Profile Activity
Topics: 20 / Replies: 3890
AllTopicsReplies
Reply
RE: Help needed with Grant Aerona 3 issues

I hear what you say but I would still perform the experiment it to be absolutely certain. Some thermostats, which should never be used with heat pump...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help needed with Grant Aerona 3 issues

The black cylinder in the second photo looks like an llh. Is there a water pump nearby and how many pipes feed it? You can't ignore the fault wheth...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Changing from 4-port buffer to volumizer

Here are my comments, others may have something to add or even dispute what Im suggesting. 1 - Yes ideally, but it doesnt matter that much so not so...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: What suggestions to give to someone with a buffer tank - how best to set an unnecessary buffer tank up

Possibly, but it would also reduce DeltaT across the emitters which means that mixing matters less. With a small buffer tank (such as 50l commonly fi...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help needed with Grant Aerona 3 issues

@fleurcules   Welcome to the forum and hopefully we can help. Im not a Grant expert but will try to offer general advice, but first a couple...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP sizing - value of Heat Transfer Coefficient

Sorry, but I cant see what the point of this is unless its to take the mick from a serious topic (and possibly also of science). Its not even funny b...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

TRV heads do indeed close completely once room temp is reached (or thereabouts), by depressing the pin on the valve fully. However there is a degree ...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Yes. In addition or instead. The point us that trv bodies with decorations caps offer an alternative (or additional) and more linear adjustment mec...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Yes. In addition or instead. The point us that trv bodies with decorations caps offer an alternative (or additional) and more linear adjustment mec...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: System pressure and COP

Provided it's sufficient I can't think of any reason in physics why system pressure would affect cop

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: System pressure and COP

Provided it's sufficient I can't think of any reason in physics why system pressure would affect cop

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@kevh it's worth remembering that many lsvs only actually control the flow in the last half or quarter turn, so they may seem 'completely turned down'...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Page 14 / 327
Share:

Join Us!

Worth Watching

Latest Posts

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
ShieldPRO →