Meridian 4102802 Blower Wheel Assembly for ABA100NH4R. Meridians goal is to provide contractors with high-quality HVAC solutions and replacement parts. This system includes changes and inventory updates to ensure peak performance. Meridian has a large line up parts and products for high-efficiency packaged rooftop units, split systems, HVAC controls, furnaces and indoor air quality products. This Meridian 4102802 Blower Wheel Assembly is a replacement part designed to improve the air flow within the furnace and duct work.