Last seen: Aug 25, 2025
Ok. I'm going to seek some advice on operating two pumps in series, which effectively you already have but when the buffer is removed becomes more dir...
I can't see why that would help. Your heat pump cycles because the demand is less than it's minimum output. The minimum output won't change by chang...
@alfapat are they all the same model? Is there any way you can tell what they are wired to? The answers might affect the strategy for buffer rem...
Nice drawing, Im glad you did it. have you really got two pumps in the primary, one on the feed one on the return. If so are they (and the pump on ...
@dwynwen as I thought it goes nowhere. Very diligent of the installer to insulate it! Please let me know how you get on with reducing the hot water...
@dwynwen just a reminder (as it was now a page of posts ago) to please post a picture of the handheld thermostat.
I posted a reply to the question about the pipe. re your question above, where is @dwynwen seeing a pressure differential, Im confused (or forgetfu...
Possibly nowhere, just a diligent installer insulating a tail? I think it might be intended for a direct-attach expansion vessel see here/p>
Domestic hot water and yes its the large tank labelled Kodiak which, hopefully, is the only tank they fitted. Ah, that may account for increa...
I didnt realise that they also had a filter, but it makes sense. Me too, but either the cold fill is fed from the 'mains' (actually water fro...
@transparent did you just reply to my post by editing it? Im pretty sure this grey valve is on the inlet to the DHW, it looks like a standard 'inlet...
@transparent I dont think the grey one is a filter, I think its a pressure regulating valve, part of the 'inlet group' instructions here
Latest Posts
-
RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 2 hours ago
-
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 , 3 hours ago
-
RE: Why so many sigenergi installer recommendations?
@saenergy for me I feel the powerwall gives me for flex...
By AdamK , 3 hours ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 5 hours ago
-
A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
I felt it would be helpful to share some lessons about ...
By GrahamF , 5 hours ago
-
RE: Mitsu Wireless Controller and MelCloud
Hi David We have an FTC7 but the settings seem to be ...
By RobS , 10 hours ago
-
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 , 11 hours ago
-
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 , 13 hours ago
-
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
-
RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 1 day ago
-
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
-
@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 2 days ago
-
RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 3 days ago
-
Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 days ago
-
RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 4 days ago
-
RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 5 days ago
-
RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 5 days ago
-
RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 5 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 6 days ago
-
New heat pump heating system underperforming in Italy... Advice needed!
hi all, first post! I've just renovated a house in sout...
By robinlawrie , 7 days ago
