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6" S-LP Non-Insulated Class 1 Air Connector

Item: FD-6X25-SLP
MFR: 052106000001

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About This Product

Product Info


Thermaflex® S-LP-10 non-insulated Class 1 connector isdesigned for use in all pressure cooling and heatingsystems. It is used in either supply or returnsections: for branch ducts and duct connections to orbetween mixing units, induction units, control orterminal units, and diffusion devices, including light troffers.Thermaflex S-LP-10 duct provides economical meansfor handling misalignment between system componentsand ducts around obstacles where fabricated and fittedducts are difficult and costly to install. This duct isequally useful when making system extensions orchanging conditioned zones now or in the future.Thermaflex S-LP-10 duct offers further economy ofinstalled cost, for example, as a return duct withinconditioned spaces or in any zone where the functionof insulated duct is not required.

Features and Benefits:
  • Reduced total installed cost-fast, economical installation.
  • Core material will not support mold and mildew growth.
  • Long standard lengths help reduce waste-easily cut to exact lengths, or spliced, at the job.
  • Easily shaped to fit oval inlets.
  • Underwriters Laboratories Listed.
  • Large diameter, heavy, spring steel wire helix assures dimensional stability, resists mechanical abuse and provides more efficient air delivery.
  • All components of are self-extinguishing and will not support a flame (see oxygen index figures under application and engineering data).
  • Complies with NFPA Standards 90A and 90B and most local, state, and federal standards or codes.
  • Maintenance free under normal conditions-highly resistant to rust and corrosion.
  • Strict quality control over all raw materials and completed ducts.
  • Will not balloon at recommended operating pressure.
  • Unique construction will not unravel when cut.
  • “Outward Cast” of heavy spring steel wire keeps duct from shrinking up, resulting in better air flow and less waste.
  • Suitable for all bathroom and dryer venting applications.
  • Will not collapse at recommended operating pressure.
  • Assists absorbing system vibration transmitted through ductwork.
  • Packaged compactly for efficient transporting, storing and handling.
  • Available through broad national distribution.
  • Clean room approved.
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight5.1 Pounds (lbs)
Width6 Inches (In)
Height13.375 Inches (In)
Country of OriginUSA
Length22.375 Inches (In)
ApplicationAir Distribution
ComplianceNFPA 90 A and 90 B
CompositionFiberglass Cloth Fabric
Core MaterialWoven Fiberglass
Fire RatingMeets UL 181 & NFPA 90A-90B Fire Codes
Inside Diameter6"
Jacket MaterialWoven Fiberglass
Maximum Air Flow5000 FPM
Maximum PressurePositive = 10" Negative = 1"
Maximum Temperature250°F (121.1°C)
Operating Temperature-20°F to 250°F (-28.8°C to 121.1°C)
Pressure RatingWG - Positive 10 inches (2"-14" ID) - Negative 1 inch (2"-14" ID)
Prop 65Yes
Size6" x 25'
UL ListedYes
UL RecognizedYes
Vapor TransmissionNone Un-Insulated
Warranty OfferedYes


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