Nordyne 667149R Blower Wheel 318973-401 When should I use an

When should I use an HH-style core instead of a standard core

providing flexibility for future-proofing installations

As a critical component for HVAC system diagnostics

Encased in a rugged NEMA 1 galvanized steel enclosure (IP-30)

ensuring correct pin configuration and mounting

Nordyne 667149R Blower Wheel 318973-401 When should I use anThe Nordyne 667149R Blower Wheel is a critical OEM replacement HVAC part engineered for direct drive furnace and air handler applications. This 9" x 7" blower wheel features a 9 1 2" convex double inlet design, optimized for high static pressure environments often found in Nordyne, Intertherm, and Miller manufactured housing units. Built for clockwise (CW) rotation, the unit utilizes a 1 2 inch bore hub to ensure a secure concentric fit on standard