Description
The Reznor 120158 is a genuine OEM #10 burner orifice designed as a direct replacement for compatible Reznor heating units. Orifices are precision-engineered components that regulate the flow of gas fuel into the burner assembly, playing a critical role in maintaining correct combustion performance, efficiency, and safe heater operation.
Product Overview
Using an authentic Reznor replacement orifice ensures your unit operates within factory-specified parameters. An improperly sized or worn orifice can lead to incomplete combustion, reduced heating efficiency, increased fuel consumption, and potential safety hazards. The Reznor 120158 restores your burner to OEM performance standards.
Key Features
- Genuine Reznor OEM replacement part
- #10 orifice size for precise fuel metering
- Engineered for accurate gas flow regulation
- Supports proper combustion efficiency and safe heater operation
- Direct OEM replacement — no modifications required
- Compatible with applicable Reznor gas-fired heating equipment
Application
Always verify compatibility with your specific Reznor unit model and fuel type (natural gas or propane) before installation. Consult your equipment’s service manual or contact a qualified HVAC technician to confirm the correct orifice size for your application.
Why Choose OEM Parts?
OEM components like the Reznor 120158 are manufactured to the exact tolerances required by your equipment. Aftermarket substitutes may not meet these specifications, potentially compromising burner performance, voiding warranties, or creating unsafe operating conditions. Trust genuine Reznor parts for reliable, long-lasting results.







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