is 181.25 KB, has a resolution of 600x600 pixels and was uploaded on July 25, 2020 @ 3:29 pm by user: evalanang. It is filed under the tags: safe, heat, annual fuel utilization efficiency, hvac, efficiency. Click the blue button at the top to freely download: Flame Sensor Furnace Trane HVAC Annual Fuel Utilization Efficiency Heating System png.