the pressure differnce switch is leaking from the pin area and the internal washer seems to be gone.The manual does not have the part number for the pressure difference switch ,does anyone know where i can get one.
Vaillant vcw-sine 18
- Thread starter swiss1511
- Start date
know marra im just idle 
N
namsag
Hey thats a different picture from ten mins ago or am i still pished 
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