this is a housing and mounting accessory only

Diagnostic Efficiency: Allows for rapid burner flame inspection and troubleshooting of ignition sequences without system disassembly

Direct-coupled design simplifies mechanical linkage and reduces points of failure

the orifice must be converted by a licensed technician

What does the green label signify on this part

Reznor 195644 Fan Blade 318820-201 this is a housing andThe Reznor 195644 Fan Blade is a critical OEM replacement component designed for compatibility with specific Reznor unit heaters and air handling systems. Engineered for precision airflow, this 10 inch diameter fan blade features a 17 degree pitch across its 5 blade configuration, ensuring optimal static pressure and heat exchanger efficiency. Built with a 3 8" bore, it facilitates a secure connection to the motor shaft, maintaining balanced rotation