UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
SECTION 4: CLEARANCES TO COMBUSTIBLES 4.1 Required Clearances to Combustibles
WARNING
Fire Hazard
Keep all flammable objects, liquids and vapors the minimum required clearances to combustibles away from heater.
Some objects will catch fire or explode when placed close to heater.
Failure to follow these instructions can result in death, injury or property damage.
Clearances are the required distances that
combustible objects must be away from the heater to prevent fire hazard. Combustible material that may catch fire include common items such as wood, paper, rubber, fabric, etc. Maintain clearances to combustibles at all times for safety.
Clearances for all heater models are located on the serial plate of the heater and throughout the manual. Check the clearances on the serial plate to make sure the product is suitable for your application and the clearances are maintained. Read and follow the safety guidelines below:
•Keep gasoline or other combustible material including flammable objects, liquids, dust or vapors away from this heater or any other appliance.
•The stated clearances to combustibles represents a surface temperature of 90° F (50° C) above room temperature. Building materials with a low heat tolerance (such as plastics, vinyl siding, canvas,
•Consult local Fire Marshall, Fire Insurance Carrier or other authorities for approval of proposed installation when there is a possibility of exposure to combustible airborne materials or vapors.
4.2 Clearances to Combustibles
Clearances must be as indicated on Page 6, Figure 3. If clearances to combustibles are not indicated, then installation clearances apply.
Figure 3: Clearances to Combustibles
Clearance to Vent: 2" (5 cm)
*18" (46 cm) minimum is necessary for servicing.
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