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.

• Backed by 40 years of proven,patented technology
• Trusted Duro Dyne® quality, stocked in 3 U.S. distribution centers
• Outperforms copper in corrosion resistance and pressure capacity
•Handles extreme temps: -55°F to 500°F
•~40% higher operating pressure than copper, with burst strength over 7,000 psi

Why Steel?

• A significantly less volatile commodity than copper
• Avoids supply chain disruptions that are common with copper
• Higher strength & durability
• A sustainable alternative to copper, aluminum or plastic

5 YEAR PRICE VOLATILITY

DURO-LINE TECHNOLOGY

• Diffused nickel inner layer
• Diffused nickel outer layer
• Aluminum/zinc layer coating
• Aluminum enriched epoxy paint layer
• Low carbon steel tube