Lennox Furnace Error Code 8 Flashes
Gas valve fault — the gas valve relay or solenoid is not functioning.
⚠️ Symptoms You'll Notice
- • No gas flow to burner
- • Furnace won't ignite
- • No heat
- • System won't start
What Causes Error Code 8?
🔧 DIY Troubleshooting Steps
- 1 Listen for click from gas valve when heat is called
- 2 Turn the system off and call a licensed HVAC technician.
📞 When to Call a Professional
Gas valve replacement is necessary.
Estimated repair cost in Albuquerque: $200–$400
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Frequently Asked Questions
What does Lennox Furnace error code 8 mean? ▼
Gas valve fault — the gas valve relay or solenoid is not functioning.
How much does it cost to fix error code 8 in Albuquerque? ▼
Typical repair costs in Albuquerque for Lennox Furnace error code 8 range from $200–$400. Gas valve replacement is necessary.
Can I fix Lennox error code 8 myself? ▼
Some basic troubleshooting is safe to try: Listen for click from gas valve when heat is called. Turn the system off and call a licensed HVAC technician.. Gas valve replacement is necessary.
Other Lennox Furnace Error Codes
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