The Rheem-Ruud SP20999A Blower Assembly Kit is a combustion blower assembly designed for compatible Rheem and Ruud gas-fired water heaters. It operates by creating the draft needed to move combustion gases through the heat exchanger and exhaust system, supporting proper combustion and safe venting. This replacement assembly helps restore reliable operation when the original blower fai... https://www.partshnc.com/sp20999a-rheem-ruud-blower-assembly-kit-5-0