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Lennox Furnace Error Codes
Complete error code directory for all Lennox furnace models. Find detailed explanations, troubleshooting steps, and when to call a professional for your Greater Vancouver home.
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Error Codes
4
Model Series
25 Years
Experience
Same Day
Service
Lennox Error Codes by Category
Pressure Switch Errors
Ignition & Flame Errors
Limit Switch & Safety Errors
Communication & Control Errors
Frequently Asked Questions
Lennox Furnace Not Working?
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