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Mend Ariston Micro Genus Boiler Heating Water Pressure

Ariston Micro Genus type C top up water pressure?

Boiler has two blue knobs (right and left). Which one do I turn to increase pressure to 1 bar? Do I turn clockwise?

GG
October 2012

Ariston Ariston Micro Genus Heating, Home Heating Systems Boiler Heating Water Pressure

Have tried both knobs nothing happening.

Jax
October 2014

You need to open both. I just tried it.

Janos
January 2013

Try both open you will see pressure going up than close or try one by one if that makes pressure going up

ltd
October 2012

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Ariston Micro Genus Boiler Pressure - How to Top Up