Will fit: Viessmann Vitodense 200-W B2KA Combi 26KW Boiler. Viessmann Vitodense 200-W B2KA Combi 30KW Boiler. Viessmann Vitodense 200-W B2KA Combi 35KW Boiler. Fans: Fan coils and motors failing due to boiler overheating will not be covered under warranty.
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