Selkirk 6" to 8" Wall Support Kit (UltimateONE)

Size: 6-Inch

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

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Selkirk 6" to 8" Wall Support Kit

This kit is used for a wall-supported chimney system with a horizontal connection passing through an exterior wall, connecting to an Insulated Tee and running vertically up the exterior wall to terminate above the roof line.

Wall Support (WSP)

Insulated Tee w/Insulated Tee Cap (IT)

Insulated Wall Thimble (IWT)

Wall Band (WB)

Smoke Pipe Adapter (SPA)

Round Top Termination Cap (CT)

Note: In the WSK-316 Kit, the CT and SPA are 316 stainless steel

Ultimate One Chimney

UltimateONE’s inner liner and outer casing are constructed of all welded 304 stainless steel for superior strength and corrosion resistance. Engineered with a web coupler design utilizing 1" of Superwool insulation that contacts at the seam, creating a continuous column of protection.

UltimateONE allows for pipe expansion and eliminates cold air infiltration. Locked together with a latch-type locking band UltimateONE’s no tool installations are quick, solid and secure every time.
  • 6" to 8" Diameter
  • 304 Stainless Steel Inner Liner
  • 6" some products are also available in 316 Stainless Inner Liner
  • 304 Stainless Steel Outer Wall
  • All residential fuels
  • 1" Solid Pack Superwool Insulation
  • Adjustable lengths for ease of installation
  • Multiple Support Kits available
  • Smart Choice Warranty on all components

Product Code
Part No Size
6U1-WSK 0844706 6-Inch
6U1-WSK-316SS 0844706-316 6-Inch (Inner liner in 316 Stainless Steel)
7U1-WSK 0844707 7-Inch
8U1-WSK 0844708 8-Inch

CA Residents: See Prop 65 WARNING.


Lifetime Limited Warranty

Refer to the Smart Choice Warranty for full warranty details.