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Joined: Jan 20, 2022
Last seen: Aug 4, 2025
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Topics: 16 / Replies: 2422
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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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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 ...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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,...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
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...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Pure Drive Battery Storage System

C-rating refers to the individual (3.2v) cells which are combined to build the battery. 16 such cells make a '48v' battery, which is what those four...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Cosy Octopus - New ASHP tarrif

Is this the moment when I should be posting examples of underground supply cables over-heating due to the increasing number of EV-chargers? Our 440v...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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