Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Oct 1, 2025
Thanks, Mars, To answer the first question, yes, everyone is invited to come and kick the boxes in the training room to see what we do and how we do i...
@iancalderbank I am not accusing you for cutting corners, but if you have Honeywell type valves, someone has. The correct valves are very difficult...
Complain to Nibe, they can be very good depending on the area. If you still have problems, PM me.
@william1066 Correct. Mag filters are not designed for high flow, they have between 4 and 6 right angle bends inside, and the friction loss is huge.
@iancalderbank I do not use 2 port, I only use full bore 3 port diverting valves. There is no reason, in any installation, to install 2 port valves. I...
@mmiuse The Midia unit is a very simple basic unit, but it can perform reasonably well if installed and set up correctly, however it is what it is. If...
but this may do the trick: not one of his mentioned brands but available and a good price, another italian make., .
@transparent It looks like you have got a bad deal from your contractor, driller etc. Firstly, I presume you have an extraction licence from the env...
@phowardstutterheim Most components inside the units are from other manufacturers other than valiant. As long as they are similar and an alterative pr...
@cathoderay "Isn't this another example of most of the heat pump industry not really knowing what it is doing? I wonder how many installation don't ha...
@william1066 I do not usually use the ESBE valves. This is the one I usually use and they are available for next day delivery. The valves you...
There sounds like there are some tall stories being told by Valiant, or others. The supply side of the heat pump consists of a pump, a stainless steel...
Latest Posts
-
RE: Anyone concerned about GivEnergy?
Is there actually any example of something that doesn't...
By JamesPa , 45 minutes ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@temperature_gradient I've had air-to-air for just over...
By Anne Smith , 3 hours ago
-
RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repl...
By bobflux , 3 hours ago
-
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
By Mars , 9 hours ago
-
RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 10 hours ago
-
Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 14 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 14 hours ago
-
Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 14 hours ago
-
RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 14 hours ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 1 day ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 1 day ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 1 day ago
-
RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 1 day ago
-
RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 1 day ago
-
RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 1 day ago
-
RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 1 day ago
-
RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 2 days ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
-
RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 3 days ago
-
RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 3 days ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 3 days ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
-
RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
-
RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
