Transition Stack Kit | FA-260421 | Replaces Part 9S31214 | Fits Regular Buck & Appalachian Wood Stoves
Upgrade or replace your stoves flue connection with the FA-260421 Transition Stack. This OEM Buck part is designed to convert a rectangular flue outlet to a standard 8″ round pipe. It replaces part number 9S31214 and comes complete with a gasket and two stack tie-downs for a secure, leak-resistant installation.
Key Features:
- OEM Replacement Replaces Regular Buck part 9S31214 with updated part FA-260421
- Complete Kit Includes transition stack, gasket, and 2 tie-downs for easy installation
- Durable Construction Built to withstand high heat and frequent use
- Universal Fit Designed for Buck and Appalachian models; may also fit Craft, Hawke, Lilly, Silent Flame, and others
Product Specifications:
- Part Number: FA-260421
- Replaces: 9S31214
- Shape: Rectangular to round transition
- Rectangular Opening (ID): 14″ x 3-1/2″
- Outer Dimensions: 16″ x 4-1/2″
- Round Opening: 8″ diameter
- Includes: Stack gasket and 2 stack tie-downs
- Material: Heavy-duty steel
Compatible Stove Models:
Appalachian Wood Stoves:
- 36BW
Buck Wood Stoves:
- Little Buck 26000
- Regular Buck 27000
Also Fits Stoves From (check manuals for fit):
- Apache
- Craft
- Hawke
- Lilly
- Silent Flame
- Squire
Pairs well with: Appalachian Stove Parts and Buck Stove Parts
When to Use:
- When converting your stoves rectangular flue to an 8″ round pipe
- During flue system installation or upgrade
- If your existing stack is damaged or leaking
Ensure a solid, secure connection between your stove and chimney pipe with the FA-260421 Transition Stack Kit.










