Upgrade your Rinnai tankless water heater with the M015A-01000 DRF-7738-508 Combustion Fan Motor Assembly Kit. This kit includes all the necessary components to replace your old or faulty combustion fan motor assembly. The kit is compatible with Rinnai models M015A-01000-SB and is perfect for maintaining the efficiency and performance of your water heater/boiler. Invest in this high-quality replacement kit for a reliable and long-lasting solution.