14" x 25' R-KD R4.2 Insulated Flex-Vent Flexible Air Duct - Box

Product Highlights

Thermaflex® 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.
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Item #: 21800

Mfg #: 056514000001

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Description

Product Highlights

Thermaflex® 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.

California residents: see Proposition 65 Warning

Specifications
Weight20.10 Pounds
Length16.63 Inches
Width14.00 Inches
Height16.63 Inches
Country of OriginUSA
BrandThermaflex
R-ValueR4.2
Jacket MaterialVapor Barrier
Vapor Transmission0.1
ApplicationAir Distribution
CertificationsGreenGuard
ColorBlack, Pink
Comments/NotesUL Listed - USA & CAN
CompositionLaminated 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 MaterialPolyester Film
Fire RatingMeets UL 181 & NFPA 90A-90B Fire Codes
Inside Diameter14"
InsulatedYes
Maximum Air Flow5000 FPM
Maximum PressurePositive = 6" (6-14" ID) Negative = 1" (6-12" ID) 1/2" (14" ID)
Maximum Temperature250°F (121.1°C)
Operating Temperature-20°F to 250°F (-28.8°C to 121.1°C)
Pressure RatingWG - Positive 6 inches (18"-20" ID) - Negative 1/2 inch (6"-12" ID)
Size14" x 25'
Warranty OfferedYes
ComplianceNFPA 90 A and 90 B
UL ListedYes
UL RecognizedYes
TierR-KD
Documentation

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