509-1 Optimum Bottom Fire Bricks #1–4

Replace the bricks that line the floor of your 509-1 Optimum firebox with this fitted bottom-brick set. Positions #1 through #4 sit flat across the bottom of the firebox, helping protect the stove body and retain heat during normal operation.

What Is Included

• Replacement bottom fire bricks #1 through #4
• Sold together as one complete set
• Designed for the floor of the 509-1 Optimum firebox
• Pre-sized for the correct brick positions

Choose the Correct Optimum Brick Set

This listing includes only the four bottom bricks. The Optimum uses separate replacement sets for the other areas of the firebox.

• For the vertical inner layer, choose the Optimum Replacement Fire Bricks #5–8.
• For the upper outer layer, choose the Optimum Fire Bricks #9–12.

Compatibility and Installation

These replacement bricks are made specifically for the 509-1 Optimum stove. Confirm your stove model and brick positions before ordering. Allow the stove to cool completely before service, remove loose ash from the brick area, and handle each firebrick carefully during installation.