Nordyne Intertherm 661051 Orifice

Product Description

The NORDYNE INTERTHERM 661051 is a gas orifice designed for use in natural gas or propane heating systems. The orifice controls the flow of gas into the burner assembly, directly affecting combustion performance and heat output. It is a precision-machined fitting that must match the correct fuel type and BTU rating for the appliance it serves. Licensed HVAC technicians and gas appliance service professionals typically handle installation and replacement of this component during burner service or fuel conversion work.

This orifice is suited for residential and light commercial gas heating applications. It is installed at the burner manifold, where it meters gas flow to each individual burner. Replacement is commonly required during annual maintenance, after a fuel type conversion, or when a damaged or incorrectly sized orifice is identified as the cause of poor combustion or flame issues.

Key Features

• Precision-machined orifice for consistent gas metering and combustion performance
• Designed as an OEM-replacement part for NORDYNE INTERTHERM heating equipment
• Critical component for maintaining proper flame characteristics and heat output
• Engineered for accurate fitment in the burner manifold assembly

Compatibility

Designed as an OEM-style replacement orifice for NORDYNE INTERTHERM gas heating equipment.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified gas appliance service professional in accordance with applicable local codes and the IFGC. Shut off the gas supply at the main valve and allow the appliance to cool completely before beginning service. Use the appropriate fitting tools to remove and reinstall the orifice without damaging the manifold threads. Verify the orifice size matches the fuel type and appliance rating before returning the system to operation.

Technical Specifications

• Part Type: Gas Orifice

Standard Information

• Brand: NORDYNE INTERTHERM
• Manufacturer Part Number: 661051