VIESSMANN VITODENS WB2B 200-W 26KW SYSTEM BOILER. Will fit: VIESSMANN VITODENS WB2B 200-W 19KW SYSTEM BOILER. VIESSMANN VITODENS WB2B 200-W 30KW SYSTEM BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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