My Main boiler has no pressure | Boilers | Plumbers Forums

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Hello, I have just bled all my radiators in my flat and now I have no pressure on my boiler, it's flashing and showing a 🔧 sign, please help I need heating tonight.
 
Hello, what boiler is it? (I’m thinking Vaillant with the spanner sign). Your looking for an internal loop, an external loop, or if you’ve one installed a Jepp valve/similar. A Photo (under the boiler) may help.
 
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Now you have found the filling loop - it’s an internal one with 2 blue handles. One going across the pipe and one pointing down, on the right hand side. Open one up, then slowly open the other one and raise the pressure to just over 1 bar.
 

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