Van-Packer B-Vent

For Venting Atmospheric Gas Fired Appliances

Description/Application Double wall corrosion resistant, thermal reflective Galvanized Steel
outer casing with aluminum inner liner for venting negative or atmospheric pressure gas
appliances.
Maximum Temperature Continuous Firing 470 F
Maximum Temperature Intermittent Firing 470 F
Fuel LP gas or Natural gas
Construction Outer casing of galvalume and galvanized, inner of aluminum
both 24 & 26 gauge steel
Insulation
Standard: Outer casing and inner liner separated by an annular air space fo
Insulated: Outer casing and inner liner separated by blanket of fiberglass insulation for sizes
4 14 diameter
Joint Method
3 14 are jointed by inserting mating ends together and twisting clockwise
16 30 have a slip joint involving sheet metal screws for securing joints
Diameters Available 3 through 30 diameters
Clearance To Combustibles 1
Clearance To Non-Combustibles As required by local codes and as permitted by the authority
having jurisdiction, CSA B149.1, CSA B149.2, NFPA 211
Application References & Listings UL441, file number MH 66M3, ULC file number CMH695,
CMHC acceptance number 6952