Gas control valves

Gas valve Sigma 848 , Elco 12057713, replaces 12017167,12034811 Thision 9-50, Thision Combi 25S, Thision Compact 25M75H/V, Thision Compact 13-25 B120, Thision Duo 17/25Manufacturer No.: 12 057 713( replaces 12 017 167, 12 034 811 )