Its energy-limiting design is intrinsically safe

this component features a 1-inch bore

Proper seating of this York furnace orifice prevents gas leaks and ensures a stable flame pattern

and III hazardous locations

and necessary PTFE washers for a leak-free mechanical connection

Rheem-Ruud SP12189 Combustion Blower Els PW 29614 Its energy-limiting design is intrinsicallyThe Rheem Ruud SP12189 Combustion Blower is a critical OEM replacement draft inducer engineered for high efficiency gas furnaces. This centrifugal blower assembly is designed to pull combustion gases through the heat exchanger and vent them safely outdoors, ensuring proper pressure switch closure and burner ignition. Operating on 115V AC, this 1 25 HP motor features a high temp plastic housing and a precision balanced impeller to minimize vibration