As the direct replacement for 5H54751-40

a normally closed circuit is required for ignition

field modifications are not recommended as they may compromise the pressure rating of the seal

Optimized Combustion: Provides the consistent static pressure required for safe and efficient venting of combustion byproducts

Technicians should note the dual-run configuration and standard 1/4-inch male quick-connect terminals

Reznor 131987 Venter Wheel As the direct replacement forThe Reznor 131987 Venter Wheel is a critical OEM replacement part, specifically the FE125 inducer wheel, engineered for high performance combustion air management. For contractors servicing Reznor gas fired unit heaters, this 4 3 4 inch centrifugal blower wheel features a 1 4 inch bore and CCW (counter clockwise) rotation. Constructed from galvanized metal, it is built to resist corrosion and maintain structural integrity under the high thermal cycles