Furnace Pilot Light Won't Stay Lit
Common Symptoms
Pilot light goes out repeatedly
Furnace won't ignite
No heat from furnace
Pilot flame weak or yellow
Having to relight pilot frequently
Possible Causes
Several factors can contribute to this problem. Understanding the cause helps determine the right solution.
1Faulty thermocouple
2Dirty pilot orifice
3Draft extinguishing flame
4Gas supply issues
5Thermocouple positioning
6Pilot assembly damage
What You Can Check First
Before calling a technician, try these simple checks that may resolve the issue.
1
Relight pilot following manufacturer instructions
2
Check if pilot flame touches thermocouple
3
Look for drafts near furnace
4
Verify gas supply valve is open
5
Check pilot flame color (should be blue)
When to Call a Professional
Pilot won't light at all
Pilot won't stay lit after relighting
Gas smell present
Thermocouple replacement needed
Unsure about relighting procedure
Experiencing any of these situations?
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