Coleman Spas OEM 100522 spa filter (7CH-502)

Coleman Spas

Replacement numbers

Unicel 7CH-502, Filbur FC-0460

Fits Coleman Spas OEM 100522, 3301-2111.

Diameter 7" (178 mm)Length 14-3/4" (375 mm)50 sq ft

Disclosure: we may earn a commission from qualifying purchases made through retailer links on this site, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Search on Amazon opens an Amazon search for this part number, not one listing we pre-checked. These are affiliate links. Product photos are omitted unless Amazon supplied one through the Product Advertising API or a SiteStripe image link. Verify dimensions before ordering. Each “Check price on Amazon” button opens a specific listing whose title we checked. The line under the name repeats only that title. See our affiliate disclosure.

Unicel7CH-502
Pleatconot found in source
FilburFC-0460
Topsemi-circular handle
Bottom2" male thread/MPT
Ø 7" (178 mm)14-3/4" (375 mm)Side view · end views belowTopBottom
Top: semi-circular handle
Bottom: 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. 50 sq ft media.

Request a filter replacement reminder

This stores a request for this filter: the model, the date you installed it, and how often you replace it. Submitting stores the request and does not send email.

We'll only use your email for this request.

Deletion requests go only to the address on the privacy page.

Coleman Spas is the group name on the Coleman Spas row 7CH-502 cartridge (OEM 100522). Match these numbers: OEM 100522, 3301-2111; Unicel 7CH-502; Filbur FC-0460. 7" across, 14-3/4" long, top semi-circular handle, bottom 2" male thread/MPT, 50 sq ft.

Catalog note for 100522: This is the 2" MPT twin of OEM 100434. Same 7" x 14-3/4" body, 144 pleats, 50 sq ft. Unicel prints OEM 100522 and 3301-2111. Filbur prints FC-0460 and cell PCS50-F2M. Pleatco deactivates PCS50-F2M with replacement N/A. The 1-1/2" cartridge 7CH-50 is not a substitute.

100522, Filbur note: Coleman section PDF p.16: FC-0460, 7 x 14-3/4, 2" MPT, OEM 100522, PCS50-F2M, 7CH-502, 50 sq ft..

7CH-502 is easy to confuse on the Coleman Spas table. 7CH-50 differs by Unicel 7CH-50, Filbur FC-0463, bottom 1-1/2" male thread/MPT, OEM 100434, note says This is the 1-1/2" MPT half of the 7" x 14-3/4" pair. Unicel prints OEM 100434 and 3301-1020. The spec table gives 144 pleats, 3 oz and 50 sq ft, and that line also names Vita Spas. Filbur prints FC-0463, cell PVT50P, 50 sq ft. Pleatco deactivates PVT50P4 with replacement N/A and does not list 7CH-50 in the Unicel cross-reference.. 7CH-40 differs by Unicel 7CH-40, Filbur FC-0435, 9-3/4" long, bottom 1-1/2" male thread/MPT, 40 sq ft, OEM 100433, note says 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..

Pleatco does not have a number on this row. Search 100522 or the Coleman Spas part you pulled out of the spa.

Left blank on purpose: No live Pleatco equivalent. PCS50-F2M replacement is N/A. No Coleman model name..

Pages checked for 100522: Unicel 2026 Replacement Guide on 7CH-502 (Coleman OEM block PDF p.32: 100522 and 3301-2111 = 7CH-502, 7" x 14-3/4", 2" MPT, 50 sq ft. Spec table PDF p.15: 144 pleats, 50 sq ft.). Filbur Catalog & Reference Guide on 7CH-502 (Coleman Spas section PDF p.16: FC-0460 = 7CH-502 = PCS50-F2M, OEM 100522, 50 sq ft). Pleatco 2023 Catalog on 7CH-502 (Deactivated list PDF p.22: PCS50-F2M replacement N/A).

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.

Other Coleman Spas cartridges

All 12 Coleman Spas spa filters

Every number on this row, on one screen: cross-reference lookup. Published clean and replace intervals for this cartridge, and a buy link for the numbers above: replacement schedule and reorder. The interval comparison by brand: calculator.

Cleaner and test strips

Hose rinse and soak steps are in how to clean a cartridge. Named cleaners and strips are in filter cleaners and test strips.

Filter cleaner and test strips

Sources

Not in sources: No live Pleatco equivalent. PCS50-F2M replacement is N/A. No Coleman model name..