Last seen: Jun 29, 2025
@saz, as batalto has asked, are you at the point where you feel the issue is down to settings and controls? Am I correct in assuming that the heating ...
@saz, in addition to all the previous advice, you need to check which consumer code your installer is a member of (HIES or RECC) then make contact to ...
@derek-m, you always give me some very useful homework to do 😀. I have no idea whether they were calibrated and I don't think I have any certificates ...
@derek-m, good points. Because we have a bivalent system, we've had to install two separate metres that are exclusively connected to our heat pump so ...
@saz, so just to be clear, Vaillant have "fixed" the circulation pump (by getting rid of the sealant) and cleared your system out to nullify any block...
I think that's @witchcraft.
@witchcraft, thanks for the update and I'm very interested to see how this all plays out.
I ran an experiment this week to see what our COP and electricity consumption would be like by varying flow rates (45C and 40C):/p> As the winter co...
@saz, who was the original installer? Are you at liberty to reveal who it was?
I’ve just reread the thread and you have had a Vaillant engineer come out. This engineer that just visited, were they from a completely new company?
I can definitely empathise @saz - it’s very, very frustrating, even more so when things aren’t working and costing a lot of money to run. Have you ask...
This is sadly very common with Powerwalls. I’ve heard of many people with delays that have been over 10 months. Part of the issue is that some install...
Latest Posts
-
RE: Adding battery storage to SolarEdge PV system
First things first, thanks to Transparent for sanity ch...
By Majordennisbloodnok , 2 hours ago
-
RE: Surface mount or bury primaries for heat pump installation?
What about those pipes that include conduits for electr...
By tomasmcguinness , 3 hours ago
-
RE: Say hello and introduce yourself
Welcome You have already done the most important thin...
By JamesPa , 3 hours ago
-
RE: Weather compensated secondary circuits with Biomass
If anyone’s going to know the answer to this it’s @sune...
By Mars , 6 hours ago
-
RE: Commencing on an ASHP Installation Process
That outside pipework would concern me. Surely rigid se...
By benson , 17 hours ago
-
As I have reported elsewhere we turned on the cooling o...
By downfield , 20 hours ago
-
-
@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 2 days ago
-
RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 2 days ago
-
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 2 days ago
-
RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 2 days ago
-
My advice is reject unless they will delete the buffer ...
By JamesPa , 3 days ago
-
RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 3 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
@dowallydrifter OK. I would recommend you read t...
By JamesPa , 4 days ago
-
RE: Solar to power Heat Pump for DHW
Wow, how big is your heat pump that it is pulling 6kW d...
By Old_Scientist , 4 days ago
