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Home  >  Supplies  >  Chimney and Venting  >  Type B Gas Vent  > 3RV-I4 3X4 INCREASER

3RV-I4 3X4 INCREASER

Item #: 28496 
Manufacturer Item: 3RV-I4
Manufacturer: SELKIRK
4" x 3", 28 Gauge, Aluminum Inner/Galvalume Outer, Round, Double Wall, Gas Vent Increaser
28496

Snap Together Non-Positional Lock System

Die Formed Ends

Venting Gas Fired Appliances, Water Heaters, Furnaces, Stoves, Etc

Type B Gas Vent

Applicable Standard
UL 441, ULC S-605, NFPA 54/211
Material
Aluminum (Inner Liner), Galvalume (Outer Casing)
Type
Round, Double Wall
Material Thickness
28 Gauge (Outer)
Smaller End Size
3 Inch