The RBI Boiler 12-0014K 1/4 HP Blower Assembly 3400 RPM 115V is an OEM replacement blower designed for compatible RBI boilers and commercial heating systems. It works by supplying the required combustion air and maintaining proper airflow through the burner assembly, supporting efficient fuel combustion and safe boiler operation. Operating at 3400 RPM on a 115V power supply, it delive... https://www.partshnc.com/12-0014k-rbi-boiler-115v-14hp-3400rpm-blower-assy