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Mend Hot Water Installation Boiler

fertech 31c boilder?

no hot water after installation of this boiler alongside a brand new central heating system? Error code F40 (only 2 bars showing up for water pressure) please help because this is really stressing me out big time.

sammy
August 2011
try reducing the water pressure just below 1.5 as 2 bars pressure is to high

kash
August 2011

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