Marvair 30110 Fan Blade 318172-701 Negative Pressure Compatibility: Internally balanced

Negative Pressure Compatibility: Internally balanced to prevent "creep" or unintended opening in pull-through burners and suction-side applications

it features a mounting configuration and shaft diameter that ensure a true drop-in replacement for worn OEM units

providing flexibility for diverse job site requirements

ensure proper heat sinking to protect the internal components during the brazing process

This is an essential component for installations in sound-sensitive areas or high-density residential zones where AC unit soundproofing is a strict requirement for local code compliance or homeowner comfort

Marvair 30110 Fan Blade 318172-701 Negative Pressure Compatibility: Internally balancedThe Marvair 30110 Fan Blade is a critical replacement component engineered for high static pressure applications in wall mount air conditioners and economizer systems. This heavy duty 16 inch fan blade features a 4 blade configuration with a 40 degree pitch, optimized for maximum CFM delivery and efficient heat dissipation. Designed for Clockwise (CW) rotation, the hub side orientation ensures balanced performance when paired with OEM matched motors.