The Rinnai 104000248 Combustion Fan Motor Assembly Kit provides the airflow required for proper combustion system operation. This assembly uses a motor-driven fan to move air through the combustion system, supporting the proper air supply needed during appliance operation. Installed within the unit’s combustion system, the fan motor assembly works with related components to maintain t... https://www.hnkparts.com/104000248-rennai-kit-combustion-fan-kb