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how can i fix my ferroli optima 701?

I am unable to top up the water presure to one bar

the mains water has very good presure and reaches

the primary flow via aflexable braded pipe any ideas

ferroli optima 701 steve

steve
August 2010
FerroliFerroli 701Heating, Home Heating SystemsFerroli Optima 701
sounds like either your pressure gauge if faulty or you have a blockage, probably in the non return valve of your filling loop.

Ian
August 2010

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Ferroli Optima 701: Low Pressure Fix