Last seen: Sep 17, 2025
I'm pretty sure that @mike-h 's Pump-2 is a UPS15-20 (or -30) which is the type most commonly used for domestic radiator circuits. It's likely to have...
Mike H's set-up (details to follow pending any additional photos) And here's the relevant installation diagram from the Grundfos manual for Pump-2...
I'm adding the annotations for everyone else... ... especially those who will arrive at across this topic in the months and years to come 😉 Annot...
Let's label a few bits:
Salamander make pumps for pressurised showers. Some have automatic pressure regularisation, which enables them to deliver hot and cold evenly when dra...
There's a measure of truth in this. The one thing that they didn't do was to create a public survey/consultation from which to learn 'best practice'. ...
I'd suggest you order component parts from the right sort of supplier. If you know what's the part you require, then try BES. If you're unsure, th...
The better option is for them to fit control systems which can be monitored remotely. That enables them to check temperatures, flow-rates and efficien...
For interest and comparison, here's a photo inside the connection cabinet of a ground-mounted substation transformer: The centre columns between F...
Yes, I'd be happy with what you're attempting using the NH type 00 fuses. I've just ordered some fuses made by Miro to try. They're type RG4a, with ...
The fact that it's storage isn't the salient point. G98, G99 and G100 are rules relating to devices which export to the grid. If your storage batt...
That NH fuse-link (Type 00) is about 10x slower than the Type-T which I suggested, and operates differently. The idea of a Type-T is that there shou...
Latest Posts
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
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@cliffhanger - seriously though, I have no idea. What I...
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@rob-nezard yes absolutely. Here is the link and a pho...
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@mixergy Thanks for the update, I would appreciate some...
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
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@jamespa Ours is a Daikin EDLA03 8 kW and the Delta T =...
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
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RE: Ya can’t win! It is S*d’s Law!
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RE: Who’s Caved and Switched the Heating On Already?
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Ok. Two schools of thought. The first is to run the ...
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@drei Willing as I am to help, I don't think I'm yet ...
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Selling 5 year old ASHP & Gas Combi Boiler - £590
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
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@dgclimatecontrol I attach the responses from 2 potenti...
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 6 days ago
