Will fit: VIESSMANN VITODENS 100 WB1HC 19KW BOILER. VIESSMANN VITODENS 100 WB1HC 26KW BOILER. VIESSMANN VITODENS 100 WB1HC 35KW BOILER. VIESSMANN VITODENS 100 WB1HC 30KW BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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