Last seen: Sep 12, 2025
@david999 - regarding 'off-grid' use, I was specifically answering the points made by @bretix who has a SunSynk inverter I can't remember which inve...
Let me slightly 'tighten up' that wording. I assume we're talking about a 240v AC supply which remains live when there is a grid outage. Your SunS...
I'd find it slightly easier to answer that question if I knew what 'fuses' were in your wall-mounted box at the moment! 🤔 Have a look at a ...
Sheesh! I take the evening off and now there's a dozen new questions in this topic! I've been responding to Heat Pump 'complaints' online for abo...
I don't think the insurance underwriters understand enough of the technology arriving in our homes to be able to assess the levels of risk. At some ...
[fx: sigh] It's likely that the YouTube poster has come across the publicly accessible standard PAS-63100 which we discussed hereand I referred to i...
Really? Like... er... WOW! And I'd always thought they ran on AC
@bretix I don't think there's anything particularly unusual about the pair of GSL batteries you have. I'm unsure if it's a "current model" because ...
To get suitable 'low voltage'/high-current battery cable by the metre, try 12-volt Planet or Split Charge (who also sell on ebay). You also need the...
For pipe insulation on a heat-pump, the materials cost isn't significant compared with the energy savings. I'd recommend the closed-cell elasomeric ...
I'm not wildly enthusiastic about the use of expanding foam! The thickness of pipe insulation in your plant room doesn't look adequate in the first ...
From the photos posted earlier by @bretix I'm presenting the following overall diagram. It's derived from the one on p.28 of the SunSynk 10kWh 3ph ...
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I have been working on network resilience for a while. ...
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Incidentally this is the sort of thig you can do if you...
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RE: Humming sound on new install.
Roof trusses and dry lined ceilings are a massive sound...
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RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
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Funny story Graham, when I started looking to ...
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
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RE: Who’s Caved and Switched the Heating On Already?
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 21 hours ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
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RE: Vaillant aroTherm Plus 10kW thoughts?
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
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RE: Anyone still weathering it out with Agile?
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
