IV-FURNACEVENTINGSYSTEMINSPECTION AnnuaIJy(before heating season) inspect furnace venting system, draft hood, vent cap, heat exchang-er, burners and p_ot for corrosion, deterioratlon, or. This furnace is equipped with an ignition control factory enabled for use with Lennox A2L refrigerant systems. Disabling the refrigerant detection functionality on A2L system is prohibited by safety codes. Refer to furnace installation instructions for non-A2L and non-Lennox refrigerant system setup.
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Download the manual for model Lennox G12 furnace. Sears Parts Direct has parts, manuals & part diagrams for all types of repair projects to help you fix your furnace!. HVAC Pros: Access Lennox product specs, installation guides, service notes, wiring diagrams, and manuals—all in one place
![[8+] Lennox Heat Pump Wiring Diagram, Lennox Furnace Thermostat Wiring](https://ww2.justanswer.com/uploads/AI/airheatman/2013-10-30_033818_lennoxalternatewiring.jpg "[8+] Lennox Heat Pump Wiring Diagram, Lennox Furnace Thermostat Wiring")
