Resideo 386449-1 Compression Fitting

The Resideo 386449-1 Compression Fitting is a critical component designed for securing 1/4" pilot tubing in residential and commercial gas furnace applications. Measuring 0.78" in overall length, this brass fitting ensures a gas-tight seal between the pilot line and the gas valve or pilot burner assembly. As a direct replacement for 411-768-000, it maintains system integrity during routine maintenance or thermocouple replacements. For technicians servicing Honeywell or Resideo pilot gas lines, utilizing a precision-machined pilot line compression nut is essential to prevent micro-leaks that lead to nuisance flame sensing lockouts. This fitting is engineered to withstand the thermal stresses found within the combustion chamber vicinity, providing a reliable mechanical connection without the need for additional thread sealants. Whether you are performing a HVAC pilot assembly repair or a complete valve swap, this 0.78 inch pilot fitting ensures compatibility with standard gas valve compression fittings across multiple furnace generations.

• Exact OEM Replacement: Replaces part number 411-768-000 for seamless integration into existing pilot systems.
• Optimized Sealing: Designed specifically for 1/4" OD pilot tubing to ensure a leak-free mechanical joint.
• Durable Brass Construction: Resists corrosion and high-temperature oxidation common in furnace vestibules.
• Standardized Sizing: Features an 0.78" overall length for easy installation in tight furnace cabinets.

What size tubing is compatible with the 386449-1?
This fitting is engineered specifically for standard 1/4 inch outer diameter (OD) aluminum or copper pilot tubing.

Does this fitting require pipe dope or PTFE tape?
No, this is a compression-style mechanical fitting. Applying sealants to the threads can interfere with the compression of the ferrule and lead to gas leaks.

Is the 386449-1 interchangeable with other brands?
While standardized for 1/4" lines, it serves as the direct technical cross-reference for Honeywell and Resideo part number 411-768-000, ensuring proper thread pitch and depth for those specific gas valves.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.