INSTALLING
Continued
10
NOTICE
You may use this heater 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 informa- tion 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 combus- tible 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 okay. | |
Between 8" and 12" | 24" or 30" Models: Install fireplace hood acessory | |
| (GA6050 or GA6052, see Accessories, page 29). | |
| 18" Model: Non combustible material okay. | |
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. | |
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|
|
Heat Resistant 
Material
(A)
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
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