Nordyne Intertherm 661033 Main Orifice Burner 33

Product Description

The NORDYNE INTERTHERM 661033 is a main orifice burner replacement part designed for use in natural gas or propane heating systems. The orifice controls gas flow into the burner assembly, metering fuel at the correct rate for stable combustion. This component is a direct OEM-style replacement intended for licensed HVAC technicians and qualified gas appliance service professionals performing routine maintenance or burner section repairs on compatible furnace systems.

This main orifice burner is suited for residential gas furnace applications where the existing burner orifice has become worn, corroded, or improperly sized. It is installed in the burner manifold assembly as part of a scheduled service call or equipment repair. Technicians typically encounter this part during heat exchanger inspections, gas valve replacements, or full burner assembly rebuilds.

Key Features

• OEM replacement orifice burner for compatible NORDYNE INTERTHERM furnace systems
• Meters gas flow at a fixed rate for consistent combustion performance
• Designed for direct installation into the burner manifold assembly
• Sized and rated for use in residential gas heating equipment

Compatibility

Designed as an OEM-style replacement main orifice burner for compatible NORDYNE INTERTHERM residential gas furnace systems. Confirm compatibility against the furnace model number and existing orifice size before ordering.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified gas appliance service professional in accordance with local codes and the appliance manufacturer service instructions. Shut off the gas supply at the service valve and disconnect electrical power to the unit before beginning any burner section work. Verify the replacement orifice size matches the fuel type and BTU input rating of the appliance before installation. Consult the IFGC and local jurisdiction requirements for gas appliance service procedures.

Technical Specifications

• Part Type: Main Orifice Burner

Standard Information

• Brand: NORDYNE INTERTHERM
• Manufacturer Part Number: 661033