Viessmann Gasventil 19/26 kW Anlage ERP 7849853/7849854

100 WB1HA 19kW System Erp (Serial No. 7543420) 41-819-36 (7543420). 100 WB1HA 26kW System Erp (Serial No. 7543421) 41-819-37 (7543421). 100 WB1HA 30kW System Erp (Serial No. 7543423) 41-819-38 (7543423).

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