Big Buck Transition Stack – FA-280421 | Replaces 9S1712 / 9S17312 | 17-1/2" x 3-1/2" to 8" Round

In stock
SKU: V4
Regular price $279.99

Big Buck Transition Stack – FA-280421 | Replaces 9S1712 / 9S17312 | 17-1/2" x 3-1/2" to 8" Round
Easily transition from your Buck wood stove to a standard 8" round flue with the FA-280421 Transition Stack. This OEM replacement fits stoves with a 17-1/2" x 3-1/2" rectangular outlet and includes a gasket and tie-downs for secure, air-tight installation. Built tough for Big Buck models and compatible with select Craft and Carolina stoves.

Key Features:
OEM Replacement – Replaces Buck part numbers 9S1712 and 9S17312
Designed for Big Buck – Fits the Buck 28000 model and similar stove sizes
Rectangular to Round Transition – Connects a 17-1/2" x 3-1/2" outlet to an 8" round pipe
Complete Kit – Includes transition stack, stack gasket (PO-280570), and tie-downs
Heavy-Duty Construction – Built to withstand high-heat wood stove environments

Product Specifications:
📌 Part Number: FA-280421
📌 Replaces: 9S1712 / 9S17312
📌 Rectangular Opening (ID): 17-1/2" x 3-1/2"
📌 Covers Opening: 19" x 4-1/2"
📌 Round Opening: 8"
📌 Outer Dimensions: Approx. 18-1/2" x 4-7/8"
📌 Includes: Stack, gasket (PO-280570), and tie-downs
📌 Material: Heavy-gauge steel
📌 Brand: Buck Stove (OEM part)

Compatible With:

  • Buck Wood Stoves: Big Buck 28000

  • Also Fits Select Models From: Craft, Carolina, and more (confirm with owner’s manual)

When to Replace:

  • If your existing transition stack is worn, warped, or leaking

  • When upgrading or installing a new flue pipe connection

  • During general maintenance or retrofitting

Ensure a safe, efficient stove-to-pipe connection with the FA-280421 Big Buck Transition Stack. Order now for a professional-grade fit and long-lasting performance!