The ATCO 05102503 is a UL 181 Class 1 Air Connector that meets NFPA (90A & 90B) requirements. This 3" x 25' uninsulated air connector features a tough triple-ply duct wall construction, designed for low to medium operating pressures in HVAC systems. It's suitable for supply, return, and exhaust ducts. The flexible duct can be easily cut to the desired length.
Features durable metallized polyester, aluminum foil, and polyester laminate construction for tear and puncture resistance.
Flexible design maintains shape for easy handling and installation.
Air-tight construction ensures energy efficiency.
Product Highlights
The ATCO 05102503 air connector is lightweight, features a smooth inner core for low friction loss, and has an encapsulated wire helix to prevent unraveling.
Product Information
Standard Information
Brand: ATCO
Manufacturer Part Number: 05102503
Country of Origin: USA
Technical Specifications
Brand
ATCO
Compliance
UL 181, NFPA 90A & 90B, SBCC, BOCA, Cities of Chicago, New York, County of Dade (Florida).
Composition
Polyester/Wire Helix Core
Fire Rating
Flame Spread: Less than 25, Smoke Developed: Less than 50
Flex Length
25'
Flex Type
Uninsulated
Inside Diameter
3"
Insulated
No
Jacket Material
Polyester
Maximum Air Flow
500 FPM
Maximum Pressure
10" W.G.
Maximum Temperature
180°F (82.22°C)
Operating Temperature
-20°F to 180°F (-28.8°C to 82.2°C)
Pressure Rating
6" w.g. pos., all dia., 3/4" w.g., all dia.
Prop 65
Yes
Size
3" x 25'
UL Listed
Yes
UPC
671094149656
Country of Origin
USA
Wall Thickness
0.125 in
Maximum Air Speed
5000 fpm
Vapor Transmission
0.05 %
End Type
Plain
Interior Surface Texture
Smooth
Standards
California State Fire Marshal; City of Chicago; City of San Francisco; cUL Listed; Dade County, Florida; HUD; IMC; IRC; New York City; NFPA 90A & B; UL Listed; UMC