Last seen: Oct 1, 2025
@grantmethestrength I am sorry you have not had an optimal service. The FRV valves MUST be installed on the return of the radiators, we had a problem ...
@adamk Where is your pump connected to? What pump valves are on the pump? What diverter valve are you using? Vibration in pipes usually comes from val...
It may be pushing 40l/min, but where is that water going, maybe through the first 2 radiators and very little to the rest?
If you do not have enough flow due to small pipes, like Mars's installation, you may need more pressure and flow than the unit can provide. Are you su...
@rhh1 Adding a second pump is not a problem, some units have a control for a second pump as this one does. When you add a second pump, it must either ...
All done, pressure is off as adequate flow is achieved at all radiators 😀 It was touch and go but all sorted.
@editor No pressure then 🤣 🤣
It will improve performance, but by how much depends on the design of the system. If you are installing SLINKEYS (coiled pipe, not straight pipe runs,...
@prunus, @jamespa is correct, but removing the buffer could possibly halve your heating bill, possibly more. You have admitted that you have no idea ...
@bart That is terrible and a clear breach of the building regulations, and therefore a breach of the law. The CPS is neglecting its duty to you as a m...
@bart Stinks of corruption.
@jamespa Good idea, it will have to be fast, I can get it directly into DESNEZ where it will be heard. I will send a message to @editor now.
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RE: Help me keep the faith with my air source heat pump installation
Got Vaillant coming on Monday. Any tips on how to get t...
By AdamK , 5 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
Several years ago we went away for a weekend in the mid...
By JohnnyB , 9 hours ago
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@jamespa Many thanks NAPIT have misinformed me again. 2...
By Bart , 9 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
This is the vision I bought into when I signed the cont...
By razz , 9 hours ago
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RE: Rate the quality of your heat pump design and installation
@technogeek, you raise several fair points. You’re abs...
By Mars , 10 hours ago
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@sune, will you be easy to identify and are you still s...
By Mars , 10 hours ago
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
What’s remarkable from this very short thread is just h...
By Mars , 11 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson I am using the met.no forecast integration and ...
By Grantmethestrength , 12 hours ago
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RE: Setback savings - fact or fiction?
The system I looked at and used the charts from was a M...
By cathodeRay , 13 hours ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
er, if you do this how will the heat pump ever know to ...
By JamesPa , 14 hours ago
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RE: What a Bad Heat Pump Installation Looks Like
@editor I can just about make the badges from the front...
By idemportent , 15 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
Btw, fixing your system so the underfloor heating is wo...
By Adrian , 16 hours ago
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RE: Optimising LG Therma V R32 using AI
On the main controller you can easily press + or - u...
By Tim441 , 19 hours ago
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
@errmm, have the original installers not come out to ha...
By Mars , 24 hours ago
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
By DavidB , 1 day ago
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RE: Daikin 6kw setup with Dixell controller
@jamespa Many thanks for your reply, a very detailed an...
By CraigH , 1 day ago
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
By Rusty , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@crankplus, nope, still not, and I've followed up with ...
By Mars , 1 day ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 2 days ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 2 days ago


