All Scenarios
Draft Problems / Flame Rollout
The burner flame appears to be rolling out of the furnace opening. There is smoke escaping from observation ports and the furnace pressure reading is positive.
Symptoms you observe:
Flame pushing out of furnace openingSmoke from observation ports or casing jointsPositive furnace pressurePoor combustion
Step 1 of 4Decision Point
Secure the burner immediately
Flame rollout is extremely dangerous — fire outside the furnace can ignite nearby materials and burn personnel.
What would you do?