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Joined: Jan 20, 2022
Last seen: May 8, 2026

Topics: 16 / Replies: 3164

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RE: Baxi Air Source Heat Pump tips and tricks please

mea culpa !

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Baxi Air Source Heat Pump tips and tricks please

If you are to have glycol added to the system, then I question why have also had (relatively expensive) anti-freeze valves fitted. 🤔 The an...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

I'm puzzled by that. The Sig Energy datasheet indicates that there are two separate 240v power outputs.The one marked "Backup" suggests that it shou...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Baxi Air Source Heat Pump tips and tricks please

Thanks for the photos. That's in the top 10% of external HP installations which I've seen. 🙂 But it still looks like rain could enter thr...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Tomato Energy

Some of them even get elected and then decide energy policy 😥 That depends on whether the decisions are being made on the basis of M...

1 year ago

Forum

Electricity, Tariffs, Monitoring, Electrics & Providers

RE: Tomato Energy

How does their software collect that data? From Smart meters? ... being polled each hour to obtain 'live' data? It's an odd decision to buil...

1 year ago

Forum

Electricity, Tariffs, Monitoring, Electrics & Providers

RE: Heat loss calculators and spread sheets

Yes, most meters (including all Smart Meters) record gas consumption in cubic metres (m³) To convert to kWh... Cubic meters (m³) used x calorific ...

1 year ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

I haven't (yet) done any research on the Sigenstor inverter,but I'm posting a block diagram which is an approximation of your electrics as I've unders...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

Erm... you mustn't do that! The configuration of the inverter must limit export to the 27A which the DNO Consent states. May I explain why... ...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

That's going to depend on the nature of your contract with the architect. For a new-build, it's usually the case that it is given an Architect's Cer...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

Good morning @amiddlemass I realise that @jamespa and I are discussing different subjects with you simultaneously.Let us know if this is getting t...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

A few comments from me on what I've understood thus far on your installation of Grant ASHPs: A: There is another new topic here on a Grant 17kW...

1 year ago

Forum