The stainless steel outer jacket provides professional-grade durability

Direct OEM Fit: Ensures seamless compatibility with Lennox furnace manifolds without the need for manual drilling or reaming

and 48HCD series

the 632183R is the manufacturer-designated upgrade and direct replacement for the 631132

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

Nordyne 661043R Orifice The stainless steel outer jacketThe 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