Osburn Part Firebrick, 4"x8" X 1 1/4" Refractory

The Osburn Firebrick Set, part number AC07600, is a high-density refractory kit designed to line and protect the firebox of compatible wood stoves and inserts. It helps restore proper insulation and maintain efficient heat retention during operation.

This set includes nine firebricks, each measuring approximately 4 inches by 8 inches by 1 1/4 inches. These bricks are engineered to withstand extreme temperatures while reflecting heat back into the combustion chamber, improving burn efficiency and prolonging the life of the stove’s internal structure.

What’s Included: Set of nine (9) high-density refractory firebricks.

Installation Limits: Designed for use in compatible wood stove and insert fireboxes and must be installed in designated brick locations.

Compatibility: Compatible with Osburn wood stoves and inserts requiring 4" x 8" x 1 1/4" firebrick configurations.

• High-density refractory construction withstands extreme heat conditions.
• Pack of nine bricks allows full or partial firebox replacement.
• Improves heat retention by reflecting heat into the combustion area.
• Protects internal stove walls from direct flame exposure.
• Direct replacement for worn or damaged firebox bricks.
• Supports efficient combustion and longer appliance lifespan.

This firebrick set is intended for replacing worn or damaged firebox liners, helping maintain proper insulation, improve efficiency, and protect the internal structure of the stove.