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Mend Ariston Micro Combi Boiler Home Heating Pressure

Topping up an Ariston combi boiler?

How often should you have to top up your combi boiler with water to keep the pressure at a satisfactory level?

Jane
September 2006
AristonAriston MicroHeating, Home Heating SystemsCombi Boiler Home Heating Pressure
The non-return valve could be at fault - put pressure up to 1.5bar and then open/run a tap and/or flush a WC if pressure drops it's the non-return valve failing.

Brian
September 2006
they can drop very slightly over a period of months. if your loosing a lot very quick you have a leak some where check all your radiators for leaks.

hi-spec plumbing
September 2006

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