Lennox 59W76 - (R40086B013) Orifice (Tan) .77 – OEM-Grade Precision for Gas Furnace Efficiency
The Lennox 59W76 (R40086B013) Orifice is an essential component for ensuring proper gas flow in a variety of Lennox heating systems. Designed with a .77 bore size and identified by its tan color code, this orifice controls the volume of fuel delivered to the burner, helping to maintain optimal combustion and energy efficiency.
This orifice is typically installed in gas valve assemblies or burner manifolds, where it plays a vital role in regulating fuel input based on specific BTU ratings and system requirements. It is factory-calibrated for accuracy and built to meet strict OEM specifications, making it a reliable choice for repairs, replacements, or system adjustments.
Product Specifications:
- Part Number: 59W76
- Alternate/Model Number: R40086B013
- Orifice Size: .77 (inch bore diameter)
- Color Code: Tan (for quick identification)
- Material: High-grade brass or corrosion-resistant alloy
- System Compatibility: Select Lennox gas furnaces, burners, and HVAC units
- Function: Controls and meters the flow of natural gas or LP to the burner
Key Benefits:
- Accurate Fuel Control: Maintains a consistent and balanced air-to-fuel ratio, which supports efficient burner performance and reduces the risk of incomplete combustion.
- OEM Replacement: Manufactured by Lennox to match the original equipment specifications for precise fit and function.
- Easy Identification: Color-coded for quick and error-free selection during servicing or replacement.
- Long-Lasting Durability: Built to withstand heat, corrosion, and pressure in typical HVAC operating conditions.
Typical Applications:
- Gas furnaces
- Rooftop HVAC units
- Unit heaters
- Commercial heating systems
Whether you're a contractor performing routine maintenance or a homeowner replacing a worn component, the Lennox 59W76 Orifice ensures your system continues to operate safely and efficiently.
Why Buy from Beenimax.com?
- Guaranteed Genuine Lennox Parts – No knockoffs, no substitutes.
- Fast Nationwide Shipping – Get the parts you need—on time.
- Contractor-Trusted Inventory – Preferred by HVAC professionals.
- Responsive Support Team – Real help from real people, when you need it.
Restore the precision of your heating system—order the Lennox 59W76 Orifice (Tan) .77 today from Beenimax.com and keep your system running at peak efficiency.