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phowardstutterheim
@phowardstutterheim
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Trusted Member
Joined: Jan 16, 2023
Last seen: May 24, 2023
Profile Activity
Topics: 2 / Replies: 32
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Reply
RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

We are not wealthy and we receive the FIT subsidies that you mention, as do all households that installed Solar PV under the scheme. Of course, those ...

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

@transparent We will definitely look into the battery system that you are describing, and will follow any related discussions to get this installed by...

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

@derek-m That's what we were told initially, but it is untrue - you will not lose the FIT payments if you switch to Octopus Outgoing for Exports. We w...

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 have something new to report. The Ground Source Heat Pump Association told me, when I asked them about corrosion prevention guidelines/methods, that...

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

@derek-m It's interesting what you say. We didn't understand how Octopus deals with exports when we signed up. We signed up with them because they 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

@transparent The borehole pump is a Rovatti 4ES8 - it is a .75 kW, 2A 3-phase. The circulating pump that I mentioned, Grundfos, is single phase. We...

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

@heacol Sorry, I made a mistake. My husband told me that he doesn't use high pressure - he backflushes (we had valves installed for that purpose).

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 Derek, That's an interesting idea that we haven't entertained, and might have entertained if we were at the initial stages again. The question of...

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

@heacol We have no extraction licence as our extraction is below 20 cubic metres per day (we have the calculations of how much we use for heating and ...

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

Very good. I just sent the Hythe group an email saying we want to participate in discussions - although it would be much better if you could get here!...

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

Very instructive - we have 100 solar panels and no storage capacity so will be very interested in these discussions! The drilling companies were bot...

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

You are brill! Didn't know I had a Building Control Application for the GSH system! I have the DNO and the electrical test certificate, the HW Commiss...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
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