Thank you for your explanation, but I think the boiler type is different. I added the picture for the pipes. Is it possible to show on the picture that which valve could be the water fill valve? Thank you
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Hi, I have a Viessman Vitodens 222-w gas boiler and Serial number is 7247887905446106. I could not find the valve to fill water to increase the pressure. Could you please show which valve is for water filling? Thank you
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