Selkirk 10" to 30" Tee (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" Tee

A tee transitions a system from horizontal to vertical orientation.

Branch and trunk diameters of the standard tee are the same size.

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
2003629 10RT-S
2003647 12RT-S 12-Inch
2003686 14RT-S 14-Inch
2003704 16RT-S 16-Inch
2003722 18RT-S 18-Inch
2003740 20RT-S 20-Inch
2003758 22RT-S 22-Inch
2003775 24RT-S 24-Inch
2003791 26RT-S 26-Inch
2003806 28RT-S 28-Inch
2003818 30RT-S 30-Inch

CA Residents: See Prop 65 WARNING.


Lifetime Limited Warranty

Refer to the Smart Choice Warranty for full warranty details.