York S1 026 26822 700 Blower Wheel 30067439 890 you ensure consistent terminal performance you ensure consistent terminal performance and eliminate the flame lifting issues common with lower quality universal replacements Key Benefits: Enhanced Efficiency: Utilizes laminated magnet construction for superior electrical efficiency and more reliable contact engagement The 43 blade configuration facilitates high efficiency heat exchange by optimizing CFM output while reducing electrical load on the blower motor this double inlet blower wheel utilizes a convex center plate design to ensure structural integrity and balanced weight distribution during operation