Last seen: Sep 10, 2025
Looks like a gents urinal at a music festival. Only a matter of time until someone pi$$es into it.
If the hydronic piping to radiators or UFH is correctly sized, there should be little noise. Noise tends to be caused by one or more of these factors:...
The problem with ducting or enclosing a ASHP is adding external static pressure (ESP) to the fan. The fan impeller is designed to move large volumes o...
Our log burner will be used for supplementary heating when the weather turns and the dark nights draw in. We don't really need to light it, but it's a...
Hi @Graham Brennand, Grant's installers don't seem very consistent on glycol. Grant recommend it, but a lot of their systems, mine include, use water ...
Well ideally @johnmo, but I have a coupe of things that work against that; I have a 22 rad system over 3 floors, 28mm CU primary, 22 and 15mm Cu secon...
@marvinator80 that's interesting. I know from your previous install pictures you would be struggling to make space for an internal volumiser. The 3kW ...
I'd be a little cautious about this generalisation Martin. Most F-Gas refrigerant engineers have specialist training and competency that comes at a pr...
@dodgyknee hi, here's Group 46 parameters changed from default for me, default in [ ] 46 00 = 3 [0] heater enabled in supplementary mode 46 01 = 4...
@dodgyknee this sounds familiar Yup, I played around, got the supplementary heating indicator to appear on the Grant controller, so all appeared to ...
The Grant LLH works well for me with the 3kW immersion programmed to give supplementary heating during defrost mode when the LWT drops below a pre-set...
I had a similar pantomime with my DNO. My incoming fuse is 80A with 25mm2 meter tail L&N incomers from external fuse and meter box to internal con...
- 26 Forums
- 2,158 Topics
- 47.4 K Posts
- 25 Online
- 5,736 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 3 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba wish you lived closer to Wiltshire! My inst...
By pash44pump , 4 hours ago
-
RE: COP is not the only measure of efficiency
@jamespetts Interesting post, thanks. Here are my thou...
By GrahamF , 4 hours ago
-
RE: Who’s Caved and Switched the Heating On Already?
@editor So… who’s given in and turned the heating on al...
By Lucia , 4 hours ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 5 hours ago
-
RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 6 hours ago
-
RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 13 hours ago
-
RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 1 day ago
-
RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 1 day ago
-
RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 1 day ago
-
RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 1 day ago
-
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 1 day ago
-
RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 1 day ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 1 day ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 2 days ago
-
RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 2 days ago
-
RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
-
RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
-
RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago