NORDYNE 661043R 661043R ORFICE #43 H ORFICE #43 H

#43 Main Burner Orifice

#43 Main Burner Orifice, 1-1/4 MMPI

The NORDYNE 645043R #43 Orifice is for use with the NORDYNE 661043R and other burners utilizing the #43 orifice. It has a diameter of 0.0650 inches, and is constructed of brass for added durability.

Orifice #43, 3/8 inch (0.95 cm), for a grill with 1.5" (3.81 cm) diameter burners that vents through the top of the burner housing

The #43 orifice provides a 3/16" diameter flame and is used on the following Nordyne series:

Nordyne 5821457 - 661043R ORFICE #43 H ORFICE #43 H This item is a replacement hole assembly for use with Nordyne Model 5821457 and 661043R burners. To be used with the following burner models: B28-C28, B29-C29, B31-C31, B32-C32, F28, F31, F32, R29-33, R34 and R35.

The #43 Orifice is flow control component used to adjust the rate of gas flame and is found in an appliance that uses natural gas or propane, such as a burner, oven or water heater.

A gas orifice is a small piece of metal that sits in the burner tube venturi and forms a jet of flame. The size of the orifice determines the rate of gas and air mixing in the combustion chamber as well as how much heat that will come out of the jet of flame.