VIESSMANN VITODENS 100 WB1A 24KW SYSTEM GAS VALVE 7823840

(100 WB1A 24kW Combi (Serial No.7179917 ) 47-819-04 (7179917). 100 WB1A 24kW Heat Only (Serial No. 7179919)) 41-819-10 (7179919). 100 WB1A 18kW Heat Only (Serial No.7179920 ) 41-819-12 (7179920). 100 WB1A 24kW System (Serial No. 7179918) 41-819-09 (7179918).

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