Description
The Carrier 323267-702 is an OEM natural gas burner orifice sized at drill size #43, sold in a convenient 7-pack to cover a full multi-burner furnace installation or service call in a single order. Burner orifices are precision-drilled metering components that regulate the flow of natural gas into each individual burner, directly controlling flame size, heat output, and combustion efficiency. Using the correct OEM orifice ensures your Carrier furnace operates within its designed fuel-to-air ratio, protecting heat exchanger integrity and maintaining rated efficiency.
Key Features
- OEM Carrier replacement burner orifice — exact fit for compatible Carrier furnace models
- Natural gas (Nat) configuration — sized specifically for natural gas fuel supply
- Drill size #43 — precision-metered orifice for accurate gas flow and proper combustion
- 7-pack quantity — ideal for full furnace burner sets or stocking service inventory
- Ensures proper fuel-to-air mixture for safe, efficient burner operation
- Maintains OEM combustion performance and rated furnace efficiency
Application
This orifice is designed for use in compatible Carrier natural gas furnaces requiring a #43 drill-size burner orifice. Always verify your furnace model number and OEM parts documentation before installation to confirm compatibility. Replacement of worn or damaged orifices restores proper flame characteristics and helps prevent incomplete combustion, sooting, and heat exchanger stress.
Installation Notes
- Intended for natural gas applications only — do not use with LP/propane without proper conversion
- Verify compatibility with furnace model prior to installation
- Should be installed by a qualified HVAC technician in accordance with local codes and manufacturer guidelines
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