This unit cross-references with several OEM numbers

To ensure optimal performance

it is built to withstand the rigors of commercial and residential heat exchangers

This 3-inch insertion depth limit is a genuine OEM replacement for standard Trane furnace parts and American Standard residential heating systems

As a veteran-grade inducer motor cooling fan

Rheem-Ruud 70-21858-06 Fan Blade Els PW 17895 This unit cross-references with severalIf you are servicing a Rheem or Ruud condenser and pulling a 70 21858 06 Fan Blade from your truck, you know exact specs are non negotiable for maintaining static pressure and compressor longevity. This HVAC replacement fan blade is a precise 22 inch diameter component with a 21 degree pitch, specifically engineered for counter clockwise (CCW) rotation. Designed with a dual blade configuration, it minimizes vibration and mechanical stress on the motor