or B type flanges

ranging from sub-freezing to high-heat conditions

This is a dedicated 120Vac motor

What causes this control board to fail prematurely

ensuring the most efficient heat exchangers are utilized first

Nordyne 661030R Orifice 321894-708 or B type flangesThe Nordyne 661030R Orifice is a precision engineered main burner orifice designed for specific gas fired furnace applications. Featuring a #30 drill size specification, this component is critical for maintaining the correct orifice flow rate and ensuring an optimal fuel to air ratio within the burner assembly. As a direct replacement for Nordyne 661030, this part eliminates compatibility guesswork during field service calls. For technicians servicing