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Domestic Hot Water & Cylinders
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By DavidB 1 month ago
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By JamesPa 4 weeks ago
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By DavidB 4 weeks ago
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My legionella cycle has never worked, and I'm trying to work out why I have a Grant Aerona3 13kW ...By Prunus 1 month ago
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By Prunus 4 weeks ago
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By JamesPa 4 weeks ago
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By alex6547 3 years ago
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By ASHP-BOBB... 1 month ago
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By Old_Scien... 1 month ago
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If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump (1 viewing)
Last post by Singlespeed, 1 month ago
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Hi, I'm helping someone who has a big 18KW Heliotherm heat pump with a DHW heating issue. I don't...By errmm 3 months ago
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By Mars 2 months ago
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By Singlespe... 1 month ago
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By Gruff2001 2 months ago
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By ASHP-BOBB... 2 months ago
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Update: Mitsubishi sent an engineer around. It was limescale from seepage. Removed plug, cleaned ...By Gruff2001 2 months ago
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By vzm56n 2 months ago
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By vzm56n 2 months ago
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By JamesPa 2 months ago
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By ngillam 6 months ago
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By Mars 2 years ago
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By bontwoody 8 months ago
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By Old_Scien... 6 months ago
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By Lakey 1 year ago
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Worth Watching
Latest Posts
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RE: Heat Pump Pipe Sizing Question
Are you saying the MLCP (aluminum core with inner and o...
By trebor12345 , 54 minutes ago
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RE: Jokes and fun posts about heat pumps and renewables
That particular Tracking system gets updated as soon as...
By Transparent , 2 hours ago
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He, he. Yes, I remember HAL very well, but it was still...
By Majordennisbloodnok , 3 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@editor It's available here -
By HarrisonC , 13 hours ago
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@painter26 i am in Lightwater and midea trained. Sounds...
By Wizard , 16 hours ago
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RE: Renewables & Heat Pumps in the News
@jamespa, for all I know they did have the coupling and...
By Mars , 19 hours ago
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@andrewj ... well, clearing gutters is a worthwhile ann...
By colinc , 20 hours ago
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RE: Anyone concerned about GivEnergy?
Here is the latest communication from GivEnergy regardi...
By txmartyn , 23 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Can @editor please clarify: Does the Indevolt App com...
By Transparent , 1 day ago
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@editor I too had a long list of questions, some of ...
By Bash , 1 day ago
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RE: Tell us about your Solar (PV) setup
3.84kWp of solar on our main South-East facing roof, in...
By Gmuzz , 1 day ago
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RE: Mitsubishi Ecodan FTC6, Evohome & Economy 7. Getting Two Zones to Work Together
Lets step back. Why do you need/want 2 zones? The hea...
By JamesPa , 1 day ago
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RE: Vaillant arotherm plus heat pump frost protection
Yes, typically as close to the heat pump as possible. ...
By JamesPa , 1 day ago
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RE: Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
Difficult to comment further without being there. If...
By JamesPa , 2 days ago
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RE: Our 10 year old Grant heat pump failed
Back in the 70’s and through the eighties, one of my re...
By Toodles , 2 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 2 days ago
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 3 days ago
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 3 days ago
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 3 days ago
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 3 days ago
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 3 days ago
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RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 3 days ago
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Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 3 days ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 3 days ago


