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Grantmethestrength
@grantmethestrength
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Joined: Feb 1, 2025
Last seen: Dec 14, 2025
Profile Activity
Topics: 7 / Replies: 167
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RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

@sune would these work in a horizontal rather than a vertical orientation, as I have 4 vertical rads that have the valves horizontally?

4 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Extend the colder range of the weather compensation curve?

Sorry if this is a daft question but doesn’t the heating curve continue on to the max output of the ASHP i.e. if you set say set 32@-3c for example, w...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Threeway Diverter Valve question
1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 0
Views: 92
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Yup that will be your lack of pressure

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

@crimson mate you have proper been through the wars, I really hope you get some resolution, and soon.

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

Rich roast Columbian esspresso!  

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

@crimson if you have one installed, are you able to check the ball valve filter just before the outdoor unit? This was the cause of my lack of flow

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

My system design was 45c @ -3c which was way too hot for us. I slowly adjusted it down as we went through the end of last heating season to 32c @ -3c ...

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

Look at you with your fancy schmancy variable PWM pump lol! I am now very envious! The Grant has three settings and a manual flow restricter. Mine loo...

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

@editor another great episode, but same as @phil-bell I am now going to have a good look at my flow rate, my lowest flow rate I can get out of my Gran...

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

I have the same unit and controller and it has been a journey of learning to say the least. After a terrible ECO4 install it has taken nearly 10 month...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My DIY Heat Pump installation

Also if you have a copy of the manual it would be useful to see it. The ones I have seen are really badly written and make no sense lol!

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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