Description
The Carrier LH32RF113 is a genuine OEM Natural Gas Orifice sized at #33, engineered for precise fuel metering in Carrier gas furnaces and heating equipment. Replacing a worn or incorrect orifice restores proper gas flow, combustion efficiency, and safe burner operation.
Product Overview
This factory-authorized replacement orifice is designed to deliver the correct gas flow rate for natural gas applications. A properly sized orifice is critical to maintaining the manufacturer-specified BTU input, ensuring complete combustion, minimizing emissions, and protecting the heat exchanger from damage caused by over- or under-firing.
Key Features
- Genuine Carrier OEM replacement part
- Natural gas orifice, #33 drill size
- Ensures accurate fuel metering for correct BTU input
- Supports safe, efficient, and complete combustion
- Direct factory replacement — no modification required
- Compatible with select Carrier gas furnaces and heating appliances
Why Orifice Size Matters
The orifice drill size directly controls the volume of gas delivered to the burner. Using the correct #33 size orifice for natural gas service maintains the designed heat output, prevents incomplete combustion, and keeps the appliance operating within safety parameters. Always verify compatibility with your specific Carrier model before installation.
Application
- Designed for natural gas service
- Intended for use in compatible Carrier gas furnaces and heating equipment
- Suitable for OEM replacement during routine maintenance or burner service







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