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Mend Valliant Water Pressure 0

the water pressure is on 0?

my uncle has a vallient boiler and the water pressure is right down . how can i help to get this sorted for him . where is the tap to let the water pressure get to where its supose to be.

jacqui
February 2011
it should be under the boiler,there should be a loop between two taps,turn them on till you get 1.5 bar on the boiler,then turn the tap off

MM
February 2011

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