![Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? : Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? :](https://i.redd.it/just-moved-in-and-i-noticed-some-rust-corrosion-on-my-v0-c5xfd3efev6c1.jpg?width=3024&format=pjpg&auto=webp&s=96d6091769ab580cac8b06ffedd905d4aea6e47f)
Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? :
![I have a trane xb90 that is about 4 years old. Has been running fine. Today, the furnace will not kick on. Went to check I have a trane xb90 that is about 4 years old. Has been running fine. Today, the furnace will not kick on. Went to check](https://ww2.justanswer.com/uploads/acheattech/2010-01-24_172946_2009-12-29_040949_typical_furnace.jpg)
I have a trane xb90 that is about 4 years old. Has been running fine. Today, the furnace will not kick on. Went to check
![Trane/Bryant XE90 TDC120C960B7] - fan runs, but no heat. High limit switch open. Restricted airflow? : r/hvacadvice Trane/Bryant XE90 TDC120C960B7] - fan runs, but no heat. High limit switch open. Restricted airflow? : r/hvacadvice](https://external-preview.redd.it/e3KxLJFZm1upEwC0w1uCVlQ5bdn-HSOkJbUrRyjHxd8.jpg?auto=webp&s=97b0764f18faa0f7f979868c8da17bc6d0693d22)
Trane/Bryant XE90 TDC120C960B7] - fan runs, but no heat. High limit switch open. Restricted airflow? : r/hvacadvice
![Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? : Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? :](https://i.redd.it/just-moved-in-and-i-noticed-some-rust-corrosion-on-my-v0-3dymq3efev6c1.jpg?width=3024&format=pjpg&auto=webp&s=2aeaf786154d1882e6c55957a8105c337f2a2d7f)
Just moved in and i noticed some rust/corrosion on my furnace. What causes this and is there anything I can do to prevent/fix it? Could it possibly be from a previous fix? :
![Troubleshooting Guide: Fixing a Non-Stop TRANE XE 90 Heater Blower Fan - Step-by-Step How-To! - YouTube Troubleshooting Guide: Fixing a Non-Stop TRANE XE 90 Heater Blower Fan - Step-by-Step How-To! - YouTube](https://i.ytimg.com/vi/wbfagfucp0A/sddefault.jpg)
Troubleshooting Guide: Fixing a Non-Stop TRANE XE 90 Heater Blower Fan - Step-by-Step How-To! - YouTube
![Trane XR90 AC Heat Furnace Filter How to Remove and Replace ,Change DIY Replace Every 6 Months - YouTube Trane XR90 AC Heat Furnace Filter How to Remove and Replace ,Change DIY Replace Every 6 Months - YouTube](https://i.ytimg.com/vi/_XKEAXagals/maxresdefault.jpg)