What is the minimum clearance for side combustible materials?

The minimum clearance for side combustible materials should be followed according to the diagram in Figure 4.

Where can I find log sizing requirements for the heater?

Log sizing requirements can be found in the article above.

Check Gas Type, Minimum Fireplace Clearance To, Combustible Materials

Q: What gas type should be used for the Desa Electric Heaters?

Use only the correct gas type natural or propane/LP for your unit. If your gas supply is not correct, do not install the heater.

INSTALLATION

Check Gas Type Installation and Clearances

INSTALLATION

Continued

WARNING: Seal any fresh air vents or ash clean- out doors located on floor or wall of fireplace. If not, drafting may cause pilot outage or sooting. Use a heat-resistant sealant. Do not seal chimney flue damper.

WARNING: Never install the heater

•in a bedroom or bathroom unless installed as a vented appliance (Variable Manually-Controlled Models Only) (see page 10)

•in a recreational vehicle

•where curtains, furniture, clothing, or other flam- mable objects are less than 42 inches from the front, top, or sides of the heater

•in high traffic areas

•in windy or drafty areas

CAUTION: This heater creates warm air currents. These currents move heat to wall surfaces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may discolor walls.

IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial, installing heater in rooms without enough venti- lation air may cause mildew to form from too much moisture. See Air for Combustion and Ventilation, pages 4 through 6.

CHECK GAS TYPE

Use only the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not install heater. Call dealer where you bought heater for proper type heater.

INSTALLATION AND CLEARANCES (Vent-Free Operation Only)

WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceil- ing, and adjoining wall.

MINIMUM FIREPLACE

CLEARANCE TO

COMBUSTIBLE MATERIALS

Log Size	Side Wall	Ceiling

18", 24"	16"	42"

LOG SIZING REQUIREMENTS

	Minimum Firebox Size
Log			Front	Rear
Size	Height	Depth	Width	Width*

18"	17"	14"	24"	20"
24"	17"	14"	28"	21"

*Measured at 14" Depth

Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or certified vent-free firebox.

Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling

A.Clearances from the side of the fireplace opening to any com- bustible material and wall should follow diagram in Figure 4.

B.Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.

*Minimum 16 inches from Side Wall

Figure 4 - Minimum Clearance for Combustible to Wall

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