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NIBE 1140 - what is mean time before failure? Installed 2009 and now struggling to heat hot water

 
Ground Source Heat Pump (GSHPs)
Last Post by Mars 42 minutes ago
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 AliRam
(@aliram)
New Member Member
Joined: 12 hours ago
Posts: 1
Topic starter 20/05/2026 9:48 pm   [#3012]

We have had a lot of problems in the last year, and it has finally stopped heating the water beyond about 28C, despite trying it on hot water only. 

We are talking to NIBE about replacing it, but there is since a lead time with installers in SE Scotland. At the moment we have no way of heating water.


This topic was modified 50 minutes ago by Mars
This topic was modified 46 minutes ago by Mars

   
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Mars
 Mars
(@editor)
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Posts: 4619
21/05/2026 7:57 am  

Sorry to hear that @aliram. 

While you’re waiting on NIBE and an installer, the simplest stopgap is going down the immersion route. If your cylinder has an immersion boss, an electrician can have one fitted relatively quickly and inexpensively. Worth checking the cylinder first though, as some unvented cylinders have the boss blanked off rather than fitted with an element.


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Mars
 Mars
(@editor)
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Joined: 5 years ago
Posts: 4619
21/05/2026 7:58 am  

@aventus-eco is this something you could assist with?


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