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Apr 19, 2020
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Hi all,

my logic combi 35 boiler is whistling when the hot water is being used, including tap / shower / central heating. It’s becoming very annoying now, is there an easy fix for this ? Do I need to let some pressure escape?
I do have boiler cover but would prefer to avoid the £60 call out charge if It can be done with a few tools and simple instructions.

thank you
 
The co2 needs checking at the flue gas sampling point and adjusting sorry not something you can do yourself contact your go to GSI . Regards kop
 

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