Buck Stack Gasket – 14" x 3-1/2" | PO-260570 | Replaces Part #631214

Buck Stack Gasket – 14" x 3-1/2" | PO-260570 | Replaces Part #631214
Ensure a tight, air-sealed fit between your wood stove and the flue with the Buck Stack Gasket (Part# PO-260570 / 631214). Designed for a 3-1/2" x 14" transition stack, this fiberglass gasket fills gaps and seals uneven surfaces where the stove connects to the pipe, helping improve draft and stove efficiency.

Key Features:
✅ OEM Replacement – Fits Buck part #PO-260570 and replaces #631214
✅ High-Temp Fiberglass – Durable and heat-resistant for long-lasting performance
✅ Versatile Fit – Works with many stove brands using a 3-1/2" x 14" stack transition
✅ Improves Sealing – Creates an air-tight barrier to prevent leaks during installation

Product Specifications:
📌 Part Numbers: PO-260570 / 631214
📌 Inner Dimensions: 3-1/2" x 14"
📌 Outer Dimensions: 4-5/8" x 15"
📌 Material: High-temperature fiberglass
📌 Application: Stack-to-pipe transition seal

Compatible With the Following Stove Brands:

• Buck

• Appalachian

• Craft

• Hawke

• Lilly

• Silent Flame

• Squire

• Apache

• Long Manufacturing

• May fit additional models—check your owner’s manual for confirmation

Installation Tip:
This gasket is used with 3-1/2" x 14" x 8" round transition stacks (Part# 9S31214). You may also need T-bolts or tie-downs to complete the installation securely.

When to Replace:

• During stack or pipe reinstallation

• If current gasket is damaged, missing, or leaking

• As part of a new stove setup or annual maintenance

Seal your wood stove stack properly with the Buck 14" x 3-1/2" Stack Gasket for safe and efficient heating. Order today for a reliable OEM fit!