Product HighlightsThermaflex® R-KD is insulated for outdoor heating and cooling in low to medium pressure systems, making it ideal for add-on mobile home units and for connecting doublewide units. Perfect for handling misalignment between systems components as it can be easily routed around obstacles.
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Weight 20.10 Pounds Length 16.63 Inches Width 14.00 Inches Height 16.63 Inches Country of Origin USA Brand Thermaflex R-Value R4.2 Jacket Material Vapor Barrier Vapor Transmission 0.1 Application Air Distribution Certifications GreenGuard Color Black, Pink Comments/Notes UL Listed - USA & CAN Composition Laminated Polyester duct liner is permanently bonded to a corrosion-resistan spring steel wire helix. Also supporting a thick blanket of fiberglass insulation and fiberglass scrim vapor barrier is an outer jacket of heavy Black polyethylene. Core Material Polyester Film Fire Rating Meets UL 181 & NFPA 90A-90B Fire Codes Inside Diameter 14" Insulated Yes Maximum Air Flow 5000 FPM Maximum Pressure Positive = 6" (6-14" ID) Negative = 1" (6-12" ID) 1/2" (14" ID) Maximum Temperature 250°F (121.1°C) Operating Temperature -20°F to 250°F (-28.8°C to 121.1°C) Pressure Rating WG - Positive 6 inches (18"-20" ID) - Negative 1/2 inch (6"-12" ID) Size 14" x 25' Warranty Offered Yes Compliance NFPA 90 A and 90 B UL Listed Yes UL Recognized Yes Tier R-KD
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