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Joined: Jan 20, 2022
Last seen: Jul 10, 2025
Topics: 16 / Replies: 2412
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

You have a Hythe Environmental Community Group near you, which seems to be working proactively in a number of projects, including energy. I suggest ...

2 years ago
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RE: Pure Drive Battery Storage System

I think better in diagrams. May I present this analogy as to how a battery is charged: You set the charge current at 100A.To achieve that, the i...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Yes. But they also need to be electricians and registered with one of the organisations which oversees their qualifications, such as NICEIC. For tha...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Apologies, I should've done this check first @phowardstutterheim I've just found your Building Control Application acknowledgement online, dated Dec...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

I've looked up that model number and it has a cast iron pump body. However there is an equivalent model in stainless steel which has exactly the same ...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

That's excellent information @phowardstutterheim and having a system diagram is immensely useful to us 👍 I don't know what pump you have on the ope...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Sorry... I don't follow this statement. If your husband is flushing through a sealed/pressurised circuit which includes the heat exchanger and pump,...

2 years ago
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RE: Pure Drive Battery Storage System

That information on the datasheet isn't helpful. The point is that a PureStorage 2 battery can charge and discharge at 100A maximum. Converting it t...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

I would certainly call it negligence @phowardstutterheim - for both bodies of circulating water. I'm not sufficiently certain of the legal definitio...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

I don't regard that as a particularly reassuring observation. Two years ago, I was able to dialogue online with a group of 250 households who were p...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Well this going to be an interesting discussion.... we're starting from a position where our experiences differ! 1: What about bypassing Vaillan...

2 years ago
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RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Hi @phowardstutterheim and thanks for posting here. You raise a number of points which I'd like to pursue. 1: There are other routes through which y...

2 years ago
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