Selkirk 10" to 30" Rain Cap (Round Large - Type B Gas Vent)

Size: 10-Inch

Estimated Arrival: Between and . (To All Contiguous States)

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Selkirk 10" to 30" Rain Cap

Used as a ventilation cap as well as a Type B gas vent termination.

Protects against wind conditions that can cause gases to spill back into the structure.

Reference the Gas Vent Termination Table on page 14, for minimum height requirement above the roof line.

Round Large - Type B Gas Vent

Model R Double Wall Type B Gas Vent is designed for quick and easy installation. It's durability makes it ideal for multi-family and commercial industrial applications. Featuring an aluminum inner liner designed to assure quick vent action and minimal condensation. Lightweight and easy to assemble with snap lock ends.

10" to 30" Diameters:

  • Aluminum inner liner
  • Galvanized outer wall
  • Double-wall design with 1/2" uniform airspace
  • Clearance to combustibles is 1" for diameters 10"-30"
  • Featuring snap lock joints for easy assembly
  • Smart Choice warranty on all components


  • Listed to UL 441 in the U.S.A.

Product Code
Part No Size
2003822 10C-S
2003823 12C-S 12-Inch
2003682 14C-S 14-Inch
2003700 16C-S 16-Inch
2003718 18C-S 18-Inch
2003736 20C-S 20-Inch
2003754 22C-S 22-Inch
2003771 24C-S 24-Inch
2003787 26C-S 26-Inch
2003802 28C-S 28-Inch
2003814 30C-S 30-Inch

CA Residents: See Prop 65 WARNING.


Lifetime Limited Warranty

Refer to the Smart Choice Warranty for full warranty details.