Rapid Engineering BH-100 Installation, Operation & Service Manual - Warning

SECTION 3: C

LEARANCES

TO

 C

OMBUSTIBLES

5 of 59

SECTION 3: CLEARANCES TO COMBUSTIBLES

3.1 Required Clearances to Combustibles

Clearances are the required distances that 

combustible objects must be away from the heater to 

prevent serious fire hazards. Combustibles are 

materials that may catch on fire and 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 

burner of the heater and 

on Page 6, Figure 3 through 

Page 9, Figure 12 in this manual. Check the 

clearances on each burner for the model heater 

being installed 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 materials 

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, tri-ply, etc) may be subject to degradation 

at lower temperatures. It is the installer’s 

responsibility to assure that adjacent materials 

are protected from degradation.

• Maintain clearances from heat sensitive 

equipment and workstations.

• Maintain clearances from vehicles parked below 

the heater.

• Maintain clearances from swinging and overhead 

doors, overhead cranes, vehicle lifts, partitions, 

storage racks, hoists, building construction, etc.

• In locations used for the storage of combustible 

materials, signs must be posted to specify the 

maximum permissible stacking height to maintain 

required clearances from the heater to the 

combustibles. Signs must be posted adjacent to 

the heater thermostat. In the absence of a 

thermostat, signs must be posted in a 

conspicuous location.

• Consult local Fire Marshal, Fire Insurance Carrier 

or other authorities for approval of proposed 

installation when there is a possibility of exposure 

to combustible airborne materials or vapors.

• Hang heater in accordance to the minimum 

suspension requirements 

on Page 15, Figure 14.

• If the radiant tubes must pass through the building 

structure, be sure that adequate sleeving and fire 

stop is installed to prevent scorching and/or fire 

hazard.

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.