i have a york out door heating cooling system and when i bought the house there was no manual.....there is a large filter here that is 20x25x1 , I want to know do I have to change filter outside in the system or just the inside one that is smaller? I am a woman living alone and just want to know if this large filter should go outside? Thank you.

Asked by Denise on 07/25/2011 1  Answer

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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