As a direct replacement for the 3030-601

ensuring a secure grip on condenser fan motors or specific internal drive components

the Reznor 195645 specification features a 1/4" bore

This is a NEMA 48-frame motor

Nordyne 661020R Orifice 318973-401 As a direct replacement forThe Nordyne 661020R Orifice is a precision engineered natural gas main orifice designed for specific HVAC burner assemblies. Measuring at a . 020 orifice diameter (often identified as #20 drill size), this component is critical for maintaining the correct gas to air ratio within the combustion manifold. As a genuine OEM replacement part, it ensures factory spec performance for Nordyne, Intertherm, and Miller gas furnaces, including high efficiency