Why DURO-LINE?

Made in the US, Duro-Line sets offer unmatched strength, flexibility, roundness, and corrosion resistance - making them the future of HVAC line sets.

  • Tested for 40 years.

  • 20-year warranty

  • Sustainable Strength –Duro-Line is more durable and less susceptible to penetration.

  • Practical– Use all your original tools, no need for special tools.

  • Proudly Made in the USA

Duro-Line Strength

  • Handles extreme temps: -55°F to 500°F

  • ~ 40% higher operating pressure than copper, with burst strength over 7,000 psi withstands corrosive saltwater regions​​

  • A sustainable alternative to copper, aluminum or plastic

Duro-Line Tests

DURO-LINE TECHNOLOGY

Duro-Line can be installed in a variety of ways using different methods.

  • Duro-Line can be brazed to copper using the recommended Solderweld Sil Sol 56%.

    • Minimum percentage of Sil Sol is 40%.

  • Duro-Line can be installed using a variety of Push or Press Fittings.

    • Including RLS®, ZoomLock®, Airsept Smart Splice, SmartLock®, NIBCO®

    • Duro Dyne recommends SB1 Fittings (sold by SUPCO®)

    • Duro-Line can also be flared and swedged with standard tools used with copper.