What are the filter sizes on the Rheem Classic 90 Plus?Post created: 2014-05-03 Type of Equipment: Furnace Views: 337
This question was created on the page: https://www.furnacecompare.com/furnaces/rheem/classic-90-plus.html.
On 2014-05-08 Danielle wrote:
The filter you need depends on both the configuration of the furnace (see this page: http://www.furnacecompare.com/faq/definitions/air_flow_configuration.html) and the width of your furnace's cabinet. See the chart below.
Please 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|