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Ecodan Legionella cycle - immersion heater problem

 
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Air Source Heat Pumps (ASHPs)
Last Post by Transparent 2 months ago
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Toodles
 Toodles
(@toodles)
Illustrious Member Contributor
Joined: 3 years ago
Posts: 1990
29/01/2025 8:37 pm  

@clockworks Along with the Law, the MCS can be an ass with absobloominglutely no margin for pragmatism; we are two and used a 99 litre DHW cylinder without ever experiencing a shortage of hot water when we needed it. MCS guidelines (and validity for the BUS grant) required us to have a 210 litre tank as minimum for our 3.5 bedroomed semi. No space for any such animal so went for the Sunamp Thermino equivalent to 210 litre system at 25% of the volume - it sits in the base of our airing cupboard. We received the £5000 grant. Regards, Toodles.

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


   
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 Clockworks
(@clockworks)
Estimable Member Member
Joined: 5 months ago
Posts: 55
Topic starter 24/04/2025 7:03 pm  

Just to close this.

Finally had the installer back last week to fit an immersion thermostat with a higher rating.

 

As expected, no more rapid switching, immersion stays on and water gets up to temperature.


   
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Transparent
 Transparent
(@transparent)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 2428
24/04/2025 7:56 pm  

Thanks for letting us know @clockworks

I admire your optimism that the thread is now 'closed'.

It'll get re-opened at some point...
... when someone actually contracts legionnaires disease.

There will then be a lot of finger-pointing as to which organisation should take the blame.

Save energy... recycle electrons!


   
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