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Last seen: Mar 18, 2026
@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...
@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...
@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).
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...
@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 ...
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!...
Very instructive - we have 100 solar panels and no storage capacity so will be very interested in these discussions! The drilling companies were bot...
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...
@transparent @transparent We have no idea about Building Control - we didn't know they should have been informed about the GSHP system installation a...
We thoroughly investigated filters that might be installed to remove the clay particles from the water before the pump and heat exchanger. Unfortunate...
We have an open loop system that involves a borehole pump, a buffer tank, a pipe run to a plant room, a variable speed pump, and a plate heat exchange...
@mjr If Vaillant didn't have these parts in Germany I would agree. But they are apparently widely available across the EU, with distributors often off...
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Degrees of Separation
Latest Posts
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 10 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 10 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 12 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 12 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 13 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 13 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 14 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 19 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 19 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 19 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 19 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 23 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 1 day ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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