Will fit: VIESSMANN VITODENS 333 WS3A 26KW BOILER. VIESSMANN VITODENS 200 WB2B 26KW COMBI BOILER. VIESSMANN VITODENS 200 WB2B 35KW COMBI BOILER. VIESSMANN VITODENS 200 WB2B 30KW COMBI BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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