Browning 3MVP50B64X 1 1 8 Sheave 322838 753 this unit ensures superior air this unit ensures superior air distribution by counter rotating blades to minimize turbulence and static pressure compared to standard parallel configurations Key Benefits: Enhanced Operational Safety: Provides real time flame detection to mitigate risks of gas buildup and potential combustion hazards The Browning 3MVP50B64X is a high performance multi groove variable pitch sheave engineered for demanding HVACR blower and fan applications as long as the motor shaft is 1 1 8 inches and the total horsepower and torque requirements fall within the 3 groove rating of the 6