Last seen: Jun 15, 2025
so why dont sites list the output based on flow temp? cause most seem to use dt.
what about galvanic corrosion as i have copper pipes and other steel rads.
im thinking of going for the taller one and letting the heat from the plant room plus the flow/return 28mm and the primary 28mm's that are in the ceil...
both are delta T50 apparently, one is recalculated from a higher flow temp to be more realistic it says on the site.
think ill be looking at local people that can do mine when its installed. im quite competent to do it myself but doubt Vaillant would see it that way....
whats the room temp like in the winter and what flow temp are you running? im worried at really low temps they wont heat the kitchen enough.
seen these but not sure they will output much unless i have several, due to the rated output being at 55c. but they do turn on at 30c.
its half gutted at the moment. missus not keen on underfloor if it ever leaks its potentially a whole floor up job. looking at that rad id struggle ...
- 22 Forums
- 2,096 Topics
- 46.1 K Posts
- 78 Online
- 3,383 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
RE: Commencing on an ASHP Installation Process
I should perhaps have mentioned this in my post, as I'd...
By Sheriff Fatman , 1 hour ago
-
RE: Mitsubishi cycling while on chilled water output
@jamespa you are so much faster than me, happy to see g...
By ASHP-BOBBA , 2 hours ago
-
@jamespa Thanks for the advice - very helpful. I had al...
By abam48 , 12 hours ago
-
RE: Weather compensated secondary circuits with Biomass
Hi @andycoo we do an LK 110 standalone weather compensa...
By Sune , 13 hours ago
-
RE: Adding battery storage to SolarEdge PV system
@chandykris No need to apologise at all! I forgot to ad...
By Toodles , 1 day ago
-
RE: Say hello and introduce yourself
Yes please do Suggesting a loss in the region...
By JamesPa , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
Can we have some links to those you're considering plea...
By Transparent , 1 day ago
-
As I have reported elsewhere we turned on the cooling o...
By downfield , 2 days ago
-
@hughf, I think we’ll organise an RHH session at Instal...
By Mars , 3 days ago
-
@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 3 days ago
-
RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 3 days ago
-
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 3 days ago
-
RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 4 days ago
-
RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 4 days ago