VIESSMANN VITODENS 100 - W WB1C 19KW & 26KW GAS VALVE 7837918

100 WB1C 26kW Combi (Serial No. 7499425) 47-819-20 (7499425). 100 WB1C 26kW System (Serial No. 7499424) 41-819-27 (7499424). 100 WB1C 19kW System (Serial No. 7499423) 41-819-26 (7499423). Fits Appliance(s) GC No.

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