Coleman Spas OEM 100433 spa filter (7CH-40)

Coleman Spas

Replacement numbers

Unicel 7CH-40, Filbur FC-0435

Fits Coleman Spas OEM 100433, 3301-1019.

Diameter 7" (178 mm)Length 9-3/4" (248 mm)40 sq ft

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Unicel7CH-40
Pleatconot found in source
FilburFC-0435
Topsemi-circular handle
Bottom1-1/2" male thread/MPT
Ø 7" (178 mm)9-3/4" (248 mm)Side view · end views belowTopBottom
Top: semi-circular handle
Bottom: 1-1/2" male thread/MPT
Drawn to scale from the listed diameter and length. Handles, threads and closed ends are drawn as symbols, not to scale. 40 sq ft media.

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Coleman Spas files this cartridge as 7CH-40 cartridge (OEM 100433), in the Coleman Spas group. Numbers on the row: OEM 100433, 3301-1019; Unicel 7CH-40; Filbur FC-0435. 7" across, 9-3/4" long, top semi-circular handle, bottom 1-1/2" male thread/MPT, 40 sq ft.

100433 carries this note from the catalogs: This is the 1-1/2" MPT half of the 7" x 9-3/4" pair. Unicel prints OEM 100433 and 3301-1019. The spec table gives 178 pleats, 3 oz and 40 sq ft, and that line also names Vita Spas. Filbur's Coleman section prints FC-0435, OEM 100433, cell PCS40P, 40 sq ft. Pleatco's Unicel cross-reference has no 7CH-40 line.

100433, Filbur note: Coleman section PDF p.16: FC-0435, 7 x 9-3/4, OEM 100433, PCS40P, 7CH-40, 40 sq ft, 1-1/2" MPT..

7CH-40 is easy to confuse on the Coleman Spas table. 7CH-402 differs by Unicel 7CH-402, Filbur FC-0430, bottom 2" male thread/MPT, OEM 100521, note says This is the 2" MPT twin of OEM 100433. Same 7" x 9-3/4" body, 178 pleats, 40 sq ft. Unicel prints OEM 100521 and 3301-2110. Filbur prints FC-0430 and cell PCS40-F2M. Pleatco's 2023 deactivated list sends PCS40-F2M to N/A, and the Unicel cross-reference has no 7CH-402 line. 7CH-40 is not a substitute: the thread is the difference.. 7CH-32 differs by Unicel 7CH-32, Filbur FC-0425, 8" long, 32 sq ft, OEM 100432, note says This is the 1-1/2" MPT half of Coleman's 7" x 8" pair. Unicel prints OEM 100432 and, for the through-2001 format, 3301-1018. The spec table gives 175 pleats, 3 oz and 32 sq ft. Filbur's Coleman section prints FC-0425, OEM 100432, Pleatco cell PCS32P, 32 sq ft. Pleatco's 2023 Unicel cross-reference has no 7CH-32 line. A Filbur Water's Edge row prints the same FC-0425 at 35 sq ft; the Coleman row is the 32..

Pleatco does not have a number on this row. Search 100433 or the Coleman Spas part you pulled out of the spa.

Left blank on purpose: No live Pleatco equivalent. No Coleman model name. Vita is named on Unicel's spec line, not as a Coleman model..

Pages checked for 100433: Unicel 2026 Replacement Guide on 7CH-40 (Coleman OEM block PDF p.32: 100433 and 3301-1019 = 7CH-40, 7" x 9-3/4", 1-1/2" MPT, 40 sq ft. Spec table PDF p.14: 178 pleats, 40 sq ft, Coleman and Vita.). Filbur Catalog & Reference Guide on 7CH-40 (Coleman Spas section PDF p.16: FC-0435 = 7CH-40 = PCS40P, OEM 100433, 40 sq ft).

If you know the Coleman Spas model and not the part number, use the Coleman Spas filter by model and year lookup.

Check the cartridge you removed

Measure diameter, length, and both ends, then compare them with the figures above. The steps are in the measuring guide. Why the bottom decides whether it seals: open-end vs threaded filters. Power, the retainer, and not running the spa empty: how to install a cartridge. Number formats: how Filbur, Unicel and Pleatco numbers compare.

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Sources

Not in sources: No live Pleatco equivalent. No Coleman model name. Vita is named on Unicel's spec line, not as a Coleman model..