I’ve looked into enough fireboxes to know when stove glass is past its prime. This Harman Mark III ceramic glass panel (14 15/16" x 8 1/2") restores that clear, steady flame view while keeping safety exactly where it should be. Made from high-temperature pyro-ceramic stove glass, it’s designed specifically for Harman coal and wood stoves, handling extreme heat without cracking, warping, or turning cloudy. The fit is precise, the clarity is excellent, and the performance matches what Harman stoves demand—not what tempered glass hopes it can survive.
This OEM-quality Harman stove glass is compatible with the Harman Magnum Stoker, Magnifier Elite, Mark II, and Mark III, and it’s proudly made in the USA. Rated up to 1,400°F (760°C), this panel is built for real-world heating, not shortcuts. Tempered glass bows out around 450°F; ceramic stove glass stays calm under pressure, offering minimal thermal expansion and long-term reliability. If your goal is safe operation, peak efficiency, and a fire worth watching, this replacement panel gets the job done—no guesswork required.
Measurements: 14 15/16" x 8 1/2"
Thickness: 3/16" (5mm)
Glass Type: Pyro-ceramic stove glass (Pyroceram / Robax equivalent)
Operating Temperature: Up to 760°C / 1,400°F
Shape: Rectangle, flat panel
Color: Clear with natural amber ceramic tint
Compatibility: Harman Magnum Stoker, Harman Magnifier Elite, Harman Mark II, Harman Mark III
Replacement Part #: 3-40-8501494
If your original panel is uncommon or no longer manufactured, I can custom-cut ceramic stove glass to match your exact measurements.
➡ Order here: Custom-Cut Ceramic & Tempered Glass
Your fire deserves a clear stage—let’s bring your Harman Mark III stove glass back to perfect clarity.
📦 FREE Shipping: Lead Time 3-5 Business Days
I’ve looked into enough fireboxes to know when stove glass is past its prime. This Harman Mark III ceramic glass panel (14 15/16" x 8 1/2") restores that clear, steady flame view while keeping safety exactly where it should be. Made from high-temperature pyro-ceramic stove glass, it’s designed specifically for Harman coal and wood stoves, handling extreme heat without cracking, warping, or turning cloudy. The fit is precise, the clarity is excellent, and the performance matches what Harman stoves demand—not what tempered glass hopes it can survive.
This OEM-quality Harman stove glass is compatible with the Harman Magnum Stoker, Magnifier Elite, Mark II, and Mark III, and it’s proudly made in the USA. Rated up to 1,400°F (760°C), this panel is built for real-world heating, not shortcuts. Tempered glass bows out around 450°F; ceramic stove glass stays calm under pressure, offering minimal thermal expansion and long-term reliability. If your goal is safe operation, peak efficiency, and a fire worth watching, this replacement panel gets the job done—no guesswork required.
Measurements: 14 15/16" x 8 1/2"
Thickness: 3/16" (5mm)
Glass Type: Pyro-ceramic stove glass (Pyroceram / Robax equivalent)
Operating Temperature: Up to 760°C / 1,400°F
Shape: Rectangle, flat panel
Color: Clear with natural amber ceramic tint
Compatibility: Harman Magnum Stoker, Harman Magnifier Elite, Harman Mark II, Harman Mark III
Replacement Part #: 3-40-8501494
If your original panel is uncommon or no longer manufactured, I can custom-cut ceramic stove glass to match your exact measurements.
➡ Order here: Custom-Cut Ceramic & Tempered Glass
Your fire deserves a clear stage—let’s bring your Harman Mark III stove glass back to perfect clarity.
📦 FREE Shipping: Lead Time 3-5 Business Days
