baxi 105e expansion vessel recharge

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10 Jan 2009
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Norwich
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United Kingdom
hi all can any one help my boiler is a baxi 105e my pressure goes above2.5bar and would hit 3 bar if i dont shut it down. with my little knowledge i suspect pressure vessel needs air side redone has any one repressurized the pressure vessel on this model i would be really greatful for any infomation or comments on my diagnosis
 
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More than likely it sounds like the expansion vessel actually has a hole in the diagphram
 
You'll soon find out when you go to re-pressurise it.

If you get water out when you press the valve it has a hole in it. If you don't it just needs re-pressurising.

Take the top back support bar off first to gain better access to the EV first. only 4 screws holding it on.
 
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