FMI Replacement Doors
If you already know your FMI Fireplace model number, finding the perfect replacement door is easy! Locate your model number in the size chart below (complete with width and height measurements for easy verification), then use the Filter / Refine Search options on this page to select your model. This will automatically update the catalog to display all high-quality fireplace doors guaranteed to fit your specific FMI unit!
FMI Fireplace Door Model Number Size Chart
| FMI Fireplace Model # | Firebox Opening Width | Firebox Opening Height |
|---|---|---|
| GL650, GL850 | 31 7/8" | 21 7/8" |
| C36 | 35" | 21" |
| 3600, 3601, BAJA3600, BAJA3601 | 36" | 21 7/16" |
| B36 | 36" | 21 3/8" |
| 36E NEW Models, 36EII NEW Models, FL3000E/EP, GL3100E/EP | 36" | 22 1/8" |
| GL3000/P, GL3100/P | 36" | 22 1/4" |
| 36E OLD Models, 36EC OLD Models, 36ECD | 36" | 23 1/4" |
| GL36ST, GL36ST-E, GL36ST-P, GL36ST-EP | 36 1/2" | 20 1/2" |
| 38TS, 38TSF | 38" | 20" |
| 42E, 42EC, GL4000, GL4000E/EP, GL4100, GL4100E/EP | 42" | 22" |
| B42 | 42" | 21 3/8" |
| 42GCII | 42" | 22 3/4" |
| 42C, 42MC, C42 | 42" | 24" |
| 1100E | 43 1/2" | 29" |
Don't see your model number listed? Not all FMI fireplace models are listed in our size chart. If you don't see your specific model number, don't worry! We recommend ordering a custom-sized replacement door to ensure a perfect, safe fit for your fireplace opening. Measure your firebox opening dimensions and contact our team or browse our custom door collection to get started.
Need Assistance Finding the Right Fit?
If you are still unsure about which door fits your fireplace, we can help! Give us a call at 1-888-986-1535 and one of our fireplace door experts will gladly assist you in finding replacement doors that match your fireplace, decor, and budget.
Please Note: Please double-check all dimensions using our measuring guide before placing your order. While we provide sizing guides for convenience, customers are responsible for verifying accurate measurements prior to ordering as we do not guarantee table accuracy.