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