What size filter do I need for a Rheem Classic 90 Plus?Post created: 2014-12-09 Type of Equipment: Furnace Views: 470
This question was created on the page: https://www.furnacecompare.com/furnaces/rheem/classic-90-plus.html.
On 2014-12-10 Danielle wrote:
To find a replacement filter for your Rheem Classic 90 Plus see the chart below. The chart below matches the correct filter to your unit by air flow configuration and width of the furnace cabinet.
Let us know how you make out!
Furnace Filters for the Rheem Classic 90 Plus
|Air Flow Configuration||Cabinet Width||Filters|
|Upflow||17-1/2"||2 15-3/4x25x1 filters|
|Downflow / Horizontal||17-1/2"||2 12x20x1 filters|
|Upflow||21"||1 15-3/4x25x1 filter|
|Downflow / Horizontal||21"||2 12x20x1 filters|
|Upflow||24-1/2"||1 15-3/4x25x1 filter 1 22-3/4x25x1 filter|
|Downflow / Horizontal||24-1/2"||2 14x20x1 filters|
|Upflow||25"||1 19-1/4x25x1 filter|