INSTALLING
Continued
10
NOTICE
Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open,
Minimum Non Combustible Material Clearances
If Not Using Mantel
Note: If using a mantel, go to page 11. If not using a mantel, follow the information on this page.
You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material must extend at least 8" up (for all models). If non combustible material is less than 12", you must install the fireplace hood accessory (24" and 30" models only). See chart below and Figure 5 for minimum clearances.
IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chimney flue damper open. Go to Installing Damper Clamp Accessory for Vented Operation, page 13.
| Requirements for |
Material Distance (A) | Safe Installation |
|
|
12" or more | Non combustible material OK. |
Between 8" and 12" | 24" or 30" Models: Install fireplace hood |
| acessory (GA6050 or GA6052, see |
| Accessories, page 33). |
| 18" Model: Non combustible material OK. |
Less than 8" | Non combustible material must be |
| extended to at least 8". See Between 8" |
| and 12", above. If you cannot extend |
| material, you must operate heater with |
| flue damper open. |
|
|
Heat Resistant 
Material
(A)
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
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