Last seen: Aug 13, 2025
Glycol has a lower thermal capacity than water. To transfer the same amount of energy (joules), the pump will have to send more fluid around the pip...
After days of arguing with a heat-pump installer, the customer is sick and tired of a system which still doesn't seem to be working. That evening he...
It probably wouldn't be too difficult to add the FSV number at top-right of the display as an interim 'solution'.That would prevent confusion as to wh...
Let me just turn the light on in that cupboard @gunboatdiplomat Ah... that's better. So this is a very straightforward distribution board with ...
I'm not the right person to answer those points,... although I don't like the sound of you having a TRV on the system.The house temperature gets regul...
That looks like an Inta flow-gauge, with side branches for Fill and Flush.So I assume there are other places through which anti-freeze can be added, n...
Yes, TN-C-S is what we call PME, but is more descriptive for those with a technical understanding.Your substation transformer and any poles carrying o...
You'll have difficulty arranging to have two meters for a single location.Your Energy Supplier would receive a Notification from ECOES, the national d...
Thanks @gunboatdiplomatThat's progress. Is your house also PME, with an earth wire emerging from the Service Fuse? And does your Zappi have an ear...
That's now a lot clearer @howerpiece The earth is indeed provided by your DNO.It's derived from the Neutral wire connecting your house to the local ...
"They" won't change your meter.It's up to you to make that request of your Energy Supplier. Just have a think about how you might use 2 or 3 phases....
Within a cupboard or a meter box, it's unusual to have tails 'secured'.They tend to get left in free air. That reduces electromagnetic coupling and te...
Latest Posts
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RE: ASHP heat output monitoring
@tim441 Thanks, PM received and appreciated, I can't ev...
By Carlo , 6 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
I am keen to see how this unfolds and changes the lands...
By ASHP-BOBBA , 8 hours ago
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RE: Who has a V2G EV installation
General comment on battery care... I guess if ev is on ...
By Tim441 , 12 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist I have never cleaned the mag filter myse...
By Toodles , 12 hours ago
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@old_scientist like for like comparisons are almost imp...
By Tim441 , 12 hours ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist There is an option in the Tesla app that...
By Toodles , 13 hours ago
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RE: Mitsu Wireless Controller and MelCloud
On the FTC5 I think this requires the dip switch on the...
By Abernyte , 13 hours ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 2 days ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 2 days ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 3 days ago
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RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 3 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 4 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 4 days ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 4 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 5 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 7 days ago
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RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 7 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 1 week ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago
