VIESSMANN 100 WB1C 26KW SYSTEM BOILER. Will fit: VIESSMANN 100 WB1C 19KW SYSTEM BOILER. VIESSMANN 100 WB1C 35KW SYSTEM BOILER. VIESSMANN 100 WB1C 30KW SYSTEM BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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