![Troubleshooting the Fan Limit Control Switch on a Furnace, Temperature Settings, How it Works! - YouTube Troubleshooting the Fan Limit Control Switch on a Furnace, Temperature Settings, How it Works! - YouTube](https://i.ytimg.com/vi/Pyz9MxgHn5k/maxresdefault.jpg)
Troubleshooting the Fan Limit Control Switch on a Furnace, Temperature Settings, How it Works! - YouTube
![Furnace fan limit switch diagnosis & repair: How to Test the Honeywell L4064B Furnace Fan Limit Switch: a guide to the fan limit switch checkout for furnaces - Honeywell L4064B Combination Fan Furnace fan limit switch diagnosis & repair: How to Test the Honeywell L4064B Furnace Fan Limit Switch: a guide to the fan limit switch checkout for furnaces - Honeywell L4064B Combination Fan](https://inspectapedia.com/heat/Fan_Limit_Switch610-DFcs.jpg)
Furnace fan limit switch diagnosis & repair: How to Test the Honeywell L4064B Furnace Fan Limit Switch: a guide to the fan limit switch checkout for furnaces - Honeywell L4064B Combination Fan
![Furnace fan limit switch diagnosis & repair: How to Test the Honeywell L4064B Furnace Fan Limit Switch: a guide to the fan limit switch checkout for furnaces - Honeywell L4064B Combination Fan Furnace fan limit switch diagnosis & repair: How to Test the Honeywell L4064B Furnace Fan Limit Switch: a guide to the fan limit switch checkout for furnaces - Honeywell L4064B Combination Fan](https://inspectapedia.com/heat/FurnaceRust230DJFs.jpg)