How to Repair the Pilot Light on Propane Heaters

A defective pilot light in your propane heater requires cleaning the burner unit found in the heater to restore the appliance's previous performance. The pilot light normally remains lit when the propane heater functions properly, but shuts off when the burner unit becomes clogged with rust or debris. Caution is required when cleaning the burner unit, as the risk of fire is high if the propane heater is not properly cleaned, then relit.

Small-gauge wire
Vacuum cleaner with brush attachment

Instructions

- 1
  Shut off the gas near the propane heater and remove the faceplate located near the bottom of the propane heater to access the burner unit.
- 2
  Unscrew the burner gas tube, pilot light tube and thermocouple line connected to the burner unit. The burner unit is a metal, circular disc in the heater that controls the propane heater's operations.
- 3
  Twist the burner unit counterclockwise to disconnect it from the burner tube below the burner unit. Insert the small-gauge wire into the small opening at the top of the burner tube, then insert the small-gauge wire into the pilot light tube to clear out debris.
- 4
  Turn on the vacuum cleaner and use the brush nozzle to clear out debris from the burner unit. Insert the burner unit back into the propane heater and turn it clockwise to secure it to the heater.
- 5
  Screw the burner gas tube, pilot light tube and thermocouple line back onto the burner unit. Turn on the gas supply, and light a match.
- 6
  Place the match near the pilot opening to produce a small flame. Place the heater's faceplate back on the propane heater.

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