and 48HCD series

If your multimeter reads below 20mV during an open-circuit test

The stainless steel outer jacket provides professional-grade durability

as long as the temperature profile (190°F / 140°F) and SPDT switch action match your existing technical specifications

the 10-210 is engineered to fit both 3/16" and 1/4" tube sizes commonly found in 1820/1830 series assemblies

Nordyne 661043R Orifice and 48HCD seriesThe Nordyne 661043R Orifice is a precision machined #43 main burner orifice engineered for high efficiency gas combustion in residential and mobile home heating systems. As a critical component in the gas burner assembly, this orifice is sized specifically to regulate natural gas flow rates into the primary burner tubes of Nordyne, Intertherm, and Miller furnaces, including MGH and M1 series equipment. Technical professionals recognize the . 043