Last seen: Jun 20, 2025
@alfapat Remember Pat, as the outside temperature varies, so does your flow temperature. If you are not getting to room temperature today when its war...
@alfapat yes if you can get the maximum flow temp to 46C from 50C that will be a result. you will find that each adjustment will affect every other...
@alfapat that is what water law is for Pat. It automatically adjusts the flow temperature to take into account the OAT. Once you have the rad valves r...
@chandykris just give them a good wash out before fitting them back 😁
@wawyed Thats the only thing I could think of that might account for the difference. It looks odd but I doubt its affecting COP much
@chandykris Yes, I did that, just bought two big radiators and shifted the others into different rooms. No problems.
@wawyed Mine isnt doing that, is your water pump PWM controlled?
@johnnyb Is that different to what Toodles has shown in the response above?
@toodles Thanks, thats actually more than I expected so quite useful.
@alfapat So this is the lockshield valve Sometimes they have knurled knobs on which can be used to adjust them, but if not then just use a smal...
@alfapat Sorry, I didnt see the temperature readings. So you are losing about 4C by using the buffer which I think is about an 8% loss in efficiency. ...
@alfapat some installers try and set up the heat pump to run like a conventional boiler with TRVs. It’s an incredibly expensive way of doing it but ea...
Latest Posts
-
RE: Vaillant AroTherm Plus 7kW
@jamespa I have a hydronic baseboard heater in the kitc...
By Scalextrix , 2 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
I think that QR code is to download the app SmartHome o...
By cathodeRay , 8 hours ago
-
RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 11 hours ago
-
RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 1 day ago
-
A good start but I’m glad I didn’t need to learn someth...
By Judith , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 1 day ago
-
RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 1 day ago
-
RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 1 day ago
-
RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 2 days ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
@editor excellent news, congratulations and well deserv...
By ASHP-BOBBA , 2 days ago
-
RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 3 days ago
-
RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 4 days ago
-
RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
By JamesPa , 4 days ago
-
RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 4 days ago
-
RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 4 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having made some enquiries locally I have found a compa...
By Morgan , 4 days ago
