Use and Care Manual
PROPANE CONSTRUCTION HEATER
12
Always be sure to follow proper maintenance procedures, by cleaning the heater once per
month during regular usage, and check spark gap at least once per season.
TROUBLESHOOTING
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
 Fan does not turn when 
electrical connection 
is made.
1.  No electric power to heater. 
2.  Fan blade contacts inside of 
heater housing. 
3.  Fan motor defective.
1.  Check current to electric outlet. If 
voltage is correct, check power cord 
and extension cord for damage.
2.  Be sure that housing is not damaged. 
Make sure there are no obstructions 
to the fan.
3.  Replace motor.
Heater will not re. 1.  No spark at ignitor. 
2.  Improper spark gap.
3.  Bad electrode.
1.  Check ignitor wire. Reattach or 
tighten if loose. Check spark module. 
Replace if necessary.
2.  Set gap (see specications for gap).
3.  Replace spark electrode.
Heater quits 
while running.
1.  Internal temperature too high 
causing limit switch to shut 
down operation. 
2.  Damaged Control Valve.
3.  Dust or debris build-up inside 
of heater.
1.  If the heater’s output is restricted, 
internal temperature becomes 
too high. Move heater away from 
any obstructions.
2.  Replace Control Valve.
3.  Clean inside of heater.










