Water valve Viessmann, 7819992
Burner No.: 7520501, 7520502, 7520518, 7520519, 7520523, 7520524, 7520550,
7520557, 7520560, 7520563, 7520564, 7520567, 7520570, 7520580, 7520583,
7520590, 7520602, 7520606, 7520612, 8520616, 7520632, 7520640
Manufacturer No.: 7819992