![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
![Aerostar 17 1/2 x27x5 MERV 8 Pleated Replacement Air Filter for Trane BAYFTFR17M, 2 Pack (Actual Size: 17 1/5" x 26 1/5" x 5") - Amazon.com Aerostar 17 1/2 x27x5 MERV 8 Pleated Replacement Air Filter for Trane BAYFTFR17M, 2 Pack (Actual Size: 17 1/5" x 26 1/5" x 5") - Amazon.com](https://m.media-amazon.com/images/I/41YRWicicxL._AC_UF894,1000_QL80_.jpg)
Aerostar 17 1/2 x27x5 MERV 8 Pleated Replacement Air Filter for Trane BAYFTFR17M, 2 Pack (Actual Size: 17 1/5" x 26 1/5" x 5") - Amazon.com
![Any reason I shouldn't take these metal contraptions out of my electronic air cleaner and replace with a pleated filter? I found a 5” filter that fits perfect but want to make Any reason I shouldn't take these metal contraptions out of my electronic air cleaner and replace with a pleated filter? I found a 5” filter that fits perfect but want to make](https://i.redd.it/any-reason-i-shouldnt-take-these-metal-contraptions-out-of-v0-oadvr99prv4c1.jpg?width=3024&format=pjpg&auto=webp&s=3cd55e17d1646647ce91092f29b65391f287d14f)