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: Apr 23, 2026
ok my setup is pretty simple: 7.35kw cibse heat loss 7kw Vaillant Arotherm Plus no buffers/volumisers 250L Vaillant Heat Pump unistor tank 1...
@heacol maybe you can figure why mines vibrating the primaries in my ceiling when you’ve finished😁. @editor good luck with the repipe, must ...
@jamespa yes I guess. But surely not everyone is buying special anti vibration clips? My plumber (who has worked on large scale renewable stuff in a p...
@jamespa if I remember the insulation has a notch cut in it so it goes over the pipe and either side of the joist.
@jamespa installer said today "Yeah unfortunately thay is not going to help with vibration. They aren't anti vibration clips and/or the pipes been wra...
@jamespa pretty sure, unless the water pump makes a humming noise outside when stood about 2m from the unit. I can hear for instance when it ramps up ...
also if the primaries inside the house are clipped against the ceiling trusses, i have a lowered ceiling so have a void where the pipes run, would it ...
who do i contact about getting stuff sorted when the installer doesnt seem to be doing anything constructive about getting the sparks back to fit the ...
@jamespa the paving slabs are not cemented down just weight of the hp holding everything in place. Hp not fixed to slabs, slabs not fixed to each othe...
@grantmethestrength how did you adjust the pump?
@jamespa just spun it up to do a hot water boost and turned off eco mode. Then I’ve gone round with a cheap stethoscope and can hear it where the prim...
@jamespa this is the third attempt to sort the flexis as the first time they were fitted they were not insulated properly and they changed one when th...
- 26 Forums
- 2,610 Topics
- 60.8 K Posts
- 1,224 Online
- 6,966 Members
Join Us!
Worth Watching
Latest Posts
-
RE: Anyone concerned about GivEnergy?
An incredibly enlightening piece on the subject by @maj...
By Mars , 3 hours ago
-
Home automation and the cloud; is there a better way?
You’ve just had a brand new system installed (heat pump...
By Majordennisbloodnok , 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 , 3 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 , 4 hours ago
-
Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 8 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 8 hours ago
-
Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 8 hours ago
-
RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 8 hours ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 18 hours ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 19 hours ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 21 hours 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 , 22 hours ago
-
RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 23 hours 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 , 2 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
-
RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
-
RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago



