How to add water to system- Vaillant Ecotec Pro

Peter Mago · Sep 25, 2022

How do I let water into the system? Tap is connected to water tank and there is a black inlet connected to the water tank? Thanks for any answers

Ben-gee · Sep 25, 2022

Use the two levers either end of the “hosepipe” that has an orange stripe on it.

Open the red lever at the wall, not fully at first, then open the small black lever at the other end of this pipe. Make sure both are off after use and ideally this pipe should be disconnected and the caps fitted.

Peter Mago · Sep 25, 2022

Ok, the black lever on the other end is locked with a screw and above it is the expansion vessel. Is it ok to unscrew it?

ShaunCorbs · Sep 25, 2022

Not locked just stiff the lever will turn one way

Ben-gee · Sep 25, 2022

The screw is just holding the black plastic lever on- if it’s stiff you can undo the screw, remove the black handle and turn the valve with a spanner.

Peter Mago · Sep 25, 2022

Ben-gee said:
The screw is just holding the black plastic lever on- if it’s stiff you can undo the screw, remove the black handle and turn the valve with a spanner.

Thanks 😊

How to add water to system- Vaillant Ecotec Pro

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