Forums

Forums
Renewable Heating
Air Source Heat Pum...
Vaillant aroTHERM p...
 
Notifications
Clear all

Vaillant aroTHERM plus not level or flat - what base is best under an external unit?

 
Air Source Heat Pumps (ASHPs)
Last Post by Mars 4 months ago
6 Posts
4 Users
3 Reactions
772 Views
RSS
 diymax
(@diymax)
Active Member Member
33 kWhs
Joined: 8 months ago
Posts: 2
Topic starter 26/07/2024 11:07 am  

Hi.  I've had a Vaillant aroTHERM plus installed. The external unit has installed on some existing flagging behind next my house in my garden. The flagging wasn't level, so the installer has used some flint from my garden to raise one side of the unit by a 15mm or so

The installer checked the unit was level using a spirit level (I saw them take a photo of it).  But I've since checked with a laser level and the external unit is not level and the top is also not flat, one corner is lower than the rest.  I think the top of the unit not being flat has made the installer think it is level when it actually isn't.  One corner is about 5mm to low and another is 10mm to low

I was wondering, how to installers normally handle installing an external unit on existing flagging that isn't level?  I'm thinking of getting some flagging relayed to go under it.  Is flagging the best thing for an external unit to be placed on or would a concrete base be better?  Are the any requirements for what it is installed on, e.g. does some of it need to be drainage rather than a firm base?  E.g. is it better for all the base under the unit to be solid or just have a solid base under each foot


   
Quote
Topic Tags
Vaillant aroTherm
Toodles
 Toodles
(@toodles)
Famed Member Contributor
11253 kWhs
Veteran
Joined: 2 years ago
Posts: 1818
26/07/2024 12:51 pm  

I had thought that my installers would mount straight onto the existing paving slabs but no, they lifted slabs, cut to fit the area they needed and mounted the ‘curb stones’ you see in the photo in a frame they made. They bedded the stones into sand and levelled them before adding the drainage stones you see. I’m not sure how much depth of sand was used but none of the condensate has ever appeared on the paving in front of the pump but is well contained within the wooden framed base area. Regards, Toodles.

IMG 6006

 

Toodles, he heats his home with cold draughts and cooks his food with magnets.


   
ReplyQuote
 Johnmo
(@johnmo)
Prominent Member Member
2299 kWhs
Joined: 2 years ago
Posts: 422
26/07/2024 3:02 pm  

Similar thread here:

https://renewableheatinghub.co.uk/forums/renewable-heating-air-source-heap-pumps-ashps/air-source-heat-pump-the-foundation-and-another-story

This post was modified 8 months ago by Mars

Maxa i32V5 6kW ASHP (heat and cooling)
6.5kW PV
13.5kW GivEnergy AIO Battery.


   
ReplyQuote
Mars
 Mars
(@editor)
Illustrious Member Admin
26254 kWhs
Veteran
Joined: 4 years ago
Posts: 2979
27/07/2024 9:05 am  

@diymax welcome to the forums. There's a new product on the market called Zeus mounting feet. See attached. Would you like me to connect you with them?

Articulated Zeus 4

 

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Subscribe and follow our Homeowners’ Q&A heat pump podcast


   
👍
1
ReplyQuote
 diymax
(@diymax)
Active Member Member
33 kWhs
Joined: 8 months ago
Posts: 2
Topic starter 20/11/2024 4:24 pm  

@editor sorry for taking a while to reply.  If you could connect me with them, that would be great


   
👍
1
ReplyQuote
Mars
 Mars
(@editor)
Illustrious Member Admin
26254 kWhs
Veteran
Joined: 4 years ago
Posts: 2979
20/11/2024 4:30 pm  

@diymax will do. I'll send an email to their team and cc you using the email address you used to register on this forums. I'll do that tomorrow morning.

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
From Zero to Heat Pump Hero: https://amzn.to/4bWkPFb

Subscribe and follow our Homeowners’ Q&A heat pump podcast


   
👍
1
ReplyQuote



Forum Jump:
  Previous Topic
Next Topic  
Related Topics
Topic Tags:  Vaillant aroTherm (9) ,
Share:

Join Us!

Heat Pump Dramas?

Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.

✅ Pre-Installation Planning
✅ Post-Installation Troubleshooting
✅ Performance Optimisation
✅ Complaint Support (Manufacturer & Installer)

👉 Book a one-to-one consultation now.

Latest Posts

x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
Shield Security →