limited-5-year-warranty : When installed according to the manufacturer’s installation guidelines for flex duct.
1500SR
Flexible Air Duct
c-etl-us listedThermoFlo Technologies guarantees the 1500SR to be free from defects from the date of manufacture. The warranty is void if the duct is installed in any way that is inconsistent with installation guidelines provided by ThermoFlo Technologies.
Benefits of the 1500SR
  • Manufactured with 2-ply laminate commercial grade casing & double
    sealed core
  • Re-inforced “Rip-Stop“ to eliminate tearing and unraveling
  • Industrial grade woven fiberglass core reduces noise
  • Galvanized spring steel helix maintains duct shape and prevents rust
  • Duct components are flame-resistant self-extinguishing.
  • Oversized to fit easily onto connectors and fans
  • Allows more efficient air flow reducing energy consumption
  • Convenient and quick installation will help reduce costs
  • Maintenance-free when installed according to manufacturer’s guidelines
  • Complies with NFPA standard 90A & 90B
  • c-ETL-us certified for peace of mind and conforms to UL181 standards & CAN/
    ULC-S110-M86
  • Made in North America with strict quality controls
  • Distributed by an extensive continent-wide network of wholesalers
  • Available in 25’ and custom lengths as a special order