Brands › Ruud

Ruud R801V UH furnace filter sizes

R801V UH furnaces take 12.25 x 25 or 15.75 x 25 or 19.25 x 25 or 22.75 x 25 filters, depending on cabinet width and return.

Pick your full model number below for the exact size.

A 12.25 x 25 filter (bottom (RXGF-CB external rack, upflow/horizontal) return) or a 15.75 x 25 filter (side (RXGF-CD external side-return rack, upflow))

R801V0503A14UHNCAP R801V0503A14UHSCAP

A 15.75 x 25 filter (bottom (RXGF-CB external rack, upflow/horizontal) return) or a 15.75 x 25 filter (side (RXGF-CD external side-return rack, upflow))

R801V0754A17UHNCAP R801V0754A17UHSCAP

A 19.25 x 25 filter (bottom (RXGF-CB external rack, upflow/horizontal) return) or a 15.75 x 25 filter (side (RXGF-CD external side-return rack, upflow))

R801V0755A21UHNCAP R801V0755A21UHSCAP R801V1005A21UHNCAP R801V1005A21UHSCAP

A 22.75 x 25 filter (bottom (RXGF-CB external rack, upflow/horizontal) return) or a 15.75 x 25 filter (side (RXGF-CD external side-return rack, upflow))

R801V1255A24UHNCAP R801V1255A24UHSCAP

Source

Rheem Endeavor Line SEER2 furnace brochure + spec sheet bundle (Form M11-6115/M11-6116 with G11-662..G11-678) (spec sheet (bundle of maker spec sheets), page 43): document. Read 2026-11-03.
Ruud R801V UH Endeavor Line Achiever Series spec sheet, Form G22-663 (spec sheet, page 9): document. Read 2026-11-03.