Is the junction box required for operation

Superior Durability: The non-combustible die-cast aluminum housing and synthetic elastomer diaphragm are built to withstand ambient temperatures ranging from -20 to 150°F

including CF04K6E-PFV

Operating on a 24VAC supply voltage

installing a 68-101807-03 ensures that the system is protected from dust and debris infiltration without the risk of bypass commonly seen with ill-fitting aftermarket filters

Nordyne 667374R Blower Wheel 326058-755 Is the junction box requiredThe Nordyne 667374R Blower Wheel is a precision engineered 11x8 CW convex blower wheel designed for high static pressure applications in Intertherm, Miller, and Nordyne furnace systems. This centrifugal blower fan features a convex hub configuration and clockwise rotation (determined by viewing from the hub motor side), ensuring optimal airflow through the evaporator coil and heat exchanger. As the direct factory replacement for the legacy Nordyne