NEVER LEAVE HEATER UNATTENDED WHILE CONNECTED TO A POWER SOURCE
4
© 2020, Obelis S.A Registered Address:  
Bd. Général Wahis, 53, 1030 Brussels, Belgium
Safety Information
This is a parafin, direct-fired, forced air heater. It is primarily 
intended for use for temporary heating of buildings under  
construction, alteration or repair. This appliance produces small 
amounts of carbon monoxide. WARNING! Risk of indoor air  
pollution! Use this heater only in well ventilated areas! Provide at 
least a 2,800 sq cm opening of outside air for every 29,3 kw/hr or 
100,000 BTU/hr of heater rating. Provide a larger opening if more 
heaters are being used.
 Risk of burns / fire / explosion! NEVER 
use fuel such as gasoline, benzene, alcohol, 
white gas, camp stove fuel, paint thinners, or other oil compounds 
in this heater (THESE ARE VOLATILE FUELS THAT CAN 
CAUSE A FIRE OR EXPLOSION).
Minimum clearance from Combustibles:
ST-45-/ 70T-/ 70TW-/ 125T-/ 175T-/ 215T-KFA-E
  Top  4 ft / 1.22m
 Sides 4 ft / 1.22m
  Front  10 ft / 3.05m
-  NEVER refill the heater’s fuel tank while heater is operating or  
  still hot. This heater is EXTREMELY HOT while in operation.
-  Keep all combustible materials away from this heater.
-  NEVER block air inlet (rear) or air outlet (front) of heater.
-  NEVER use duct work in front or at rear of heater.
-  NEVER move or handle heater while still hot.
-  NEVER transport heater with fuel in its tank.
-  If equipped with a thermostat, the heater may start at  
  any time.
-  ALWAYS locate heater on a stable and level surface.
-  ALWAYS keep children and animals away from heater.
-  Bulk fuel storage should be a minimum of 7.6m (25 ft). from  
  heaters, torches, portable generators, or other sources of  
 ignition.
-  ALWAYS unplug the heater when not in use.
-  Not for use in homes or recreational vehicles.
-  Never use this heater in living or sleeping areas.
-  NEVER use heater where flam mable vapors may be present.
-  Use only the electrical power (voltage and frequency)  
  specified on the model plate of the heater.
-  ALWAYS install the heater so that it is not directly exposed to  
  water spray, rain, dripping water, or wind.
-  NEVER store fuel in direct sunlight, indoors, or near a source  
  of heat.
-  NEVER use fuel that has been stored from one season to the  
  next. Fuel deteriorates over time. OLD FUEL WILL NOT  
  BURN PROPERLY IN THIS HEATER.
Assembly
MODELS ST-45/70T-KFA-E
-  Tools required: Medium phillips screw driver.
1.  Align the holes in the upper housing with the 2 holes in the  
 handle.
2.  Insert and tighten screws securely with screw driver.
3.  Insert tabs on cordwrap into slots in shell support, lining up the  
  holes on the cordwrap with those on the side cover.
4.  Insert and tighten screws securely with screw driver.
MODELS ST-70TW/ST-125T/175T/215T-KFA-E
-  Tools required: Medium phillips screw driver, 8mm open end  
  or adjustable wrench, needle nose pliers.
1.  Slide axle through holes in Wheel Support Frame. 
2.  Slide wheels on to each axle.
3.  Attach nut to axle and tighten.
4.  Place heater on the assembled frame, making sure that the  
  air inlet end is by the wheels, and the mounting holes on the  
  tank flange of the heater align with holes in frame.
5.  Take the front handle and align the mounting holes with the  
  corresponding holes in the tank flange/wheel frame. Slide a  
  screw (A) through the holes and loosely attach a nut. Repeat  
  for the other 3 holes, then fully tighten all 4 screws and nuts.
6.  Repeat this process with the rear handle.
NOTE: The cord wrap is an optional feature that is not available 
on all models.
Carbon Monoxide poisoning may lead to 
death!
 NEVER REFUEL THIS HEATER WHILE 
IT IS HOT OR OPERATING. FIRE OR 
EXPLOSION COULD RESULT.
NEVER FILL THE FUEL TANK INDOORS. 
ALWAYS FILL THE TANK OUTDOORS. 
BE SURE THAT THE HEATER IS ON LEVEL GROUND WHEN 
FUELING, AND NEVER OVERFILL THE FUEL TANK.
Figure 1. Handle Assembly
Do not operate this heater until you have 
read, and thoroughly understand these  
safety and operating instructions. Failure to comply with the 
precautions and instructions provided with this heater can result 
in death, serious bodily injury, property loss or damage from the 
hazards of fire, soot production, explosion, burns, asphyxiation 
or carbon monoxide poisoning. Only persons who can read and 
understand these instructions should use or service this heater. 
Retain this manual for your reference.
 Fire, burn, inhalation, and explosion 
hazard. Keep combustibles a safe distance 
away from the heater as recommended by these instructions. 
Never use the heater in spaces which contain products such 
as gasoline, solvents, paint thinners, dust particles, volatile or 
airborne combustibles, or any unknown chemicals. This is an 
unvented portable heater. It uses air (oxygen) from the area in 
which it is used. Adequate combustion and ventilation air must 
be provided.