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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 14, 2025
Profile Activity
Topics: 17 / Replies: 2690
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RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

With their balancing process Im pretty sure all rads could end up being restricted at least a bit. Its unlikely however that the restriction would be...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

Good question. Based on physics I think the short answer is yes. I have actually been thinking about this area since I posted above with the commen...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Help me keep the faith with my air source heat pump installation

Great news I edited my previous post (probably after you read it) as the Vaillant manual, at least to my reading and in the version I have, actu...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

My understanding (someone may correct me) it that it is this, but not a specific DT for the reasons outlined above. Alternatively its getting the sam...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: 300 Liter Tank - Do I have to heat it all?

I agree with @morgan. You can turn down the target tank temperature so you aren't diluting the water when it comes out of the tap/shower. 40C is p...

2 weeks ago
Forum
Domestic Hot Water & Cylinders
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RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

@grantmethestrength There are a couple of subtle points to make here which might explain the noise you experienced: 1: did you ensure that, w...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Help me keep the faith with my air source heat pump installation

Then that is what you should ask for. As I say above Im neither condoning nor defending having only an MCB not a type B RCD plus an MCB (or an RCBO),...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my air source heat pump installation

So in summary it was a decision between pragmatism and strict conformance to what Vaillant say, even though (I believe) the latter goes beyond the req...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my air source heat pump installation

They could hang a secondary CU off the existing ASHP MCB and then put the RCD in that - as @ashp-bobba suggests above I believe. They may argue that...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my air source heat pump installation

Im glad you said this. Its reasonable to suppose we get a distorted view on this forum and its important IMHO to be reminded of that from time to tim...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my air source heat pump installation

I think you probably mean RCDs rather than MCBs. Vaillant, in common with many heat pump manufactures, specify Type B RCDs which, unlike the more ...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is this ASHP install OK?

You should contact the council and report the unsatisfactory work, requesting them to withold paynent. Without rawlplugs (how do you know) your radia...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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