
Last seen: Aug 25, 2025
You are correct @derek-m A solar thermal system (which is pressurized of course) might contain water above 100degC. The 'proper' pipework has to be ...
Unlikely... because you've got a unit designed for the UK market. Heat pumps for the USA market usually incorporate a 4-port (2-way) valve which all...
There is a correlation between the width of the hysteresis you set on the controller and the curve it uses to define the pump speed. Most Solar Ther...
Can you please remind us of the layout of your cylinder? Is it a DHW cylinder or a thermal store?
Yes... I 'get it'.And I think you're heading in the right direction. Up until now, all heating and DHW control systems in the UK are operating on me...
Ah... but this site is in Cornwall. 😎 There are a number of good reasons why GSHP installations are proportionally higher in Kernow than on the eas...
I think he means forever and ever @saecula-saeculorum 😉
Hi @saecula-saeculorum and welcome to the forum. How far on is the barn conversion?Ie... is it too late to specify underfloor heating? What's the ...
I too have another question @z8lccda 🙂 I assume that your present PV panels are connected to the grid via an inverter with a G53 certificate (an a...
Understood. Electricity is often regarded as the "highest form" of energy from renewable sources. It retains the potential to be converted into so man...
Do you feel up to doodling your intended system diagram and posting it here please @ronin92 ? You can literally do a pencil sketch on the back of an...
For the sake of clarity @johnmo can you confirm that the system you're describing is to deliver Domestic Hot Water (DHW)? My preceding answer didn't...
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 38 minutes ago
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What crazy nonsense are inverter limits and why are they imposed?
I’ve recently found out a DNO can impose an inverter li...
By AdamK , 2 hours ago
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RE: Why so many sigenergi installer recommendations?
@saenergy for me I feel the powerwall gives me for flex...
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
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A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
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RE: Mitsu Wireless Controller and MelCloud
Hi David We have an FTC7 but the settings seem to be ...
By RobS , 9 hours ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 10 hours ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 12 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 1 day ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 1 day ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 2 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 3 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 4 days ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 5 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
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New heat pump heating system underperforming in Italy... Advice needed!
hi all, first post! I've just renovated a house in sout...
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