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Please. I just need to know how to bring the pressure up from 0 to 1.5. I have located the filing loop and one of the screws on it. I am told I need to open another screw until the pressure goes up. Please could you tell me where this is? John

-------------------------------------------------------------------------------- Hello, Urgently required advice. Hava a Valiant boiler on which the pressure gauge has dropped from 1.5 to 0 and a leak all down the back of my house from a pipe exiting the boiler from inside thehouse...

Hello, Urgently required advice. Hava a Valiant boiler on which the pressure gauge has dropped from 1.5 to 0 and a leak all down the back of my house from a pipe exiting the boiler from inside thehouse to outside through the wall. Have read posts about doing something with the filling...