Saratoga Spas OEM 20254-238 spa filter (4CH-24)

Saratoga Spas

Replacement numbers

Unicel 4CH-24, Pleatco PGS25P4

Fits Saratoga Spas OEM 20254-238.

Diameter 4-5/8" (117 mm)Length 9-3/4" (248 mm)25 sq ft

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Unicel4CH-24
PleatcoPGS25P4 (Spec table PDF p.31: PGS25P4, 4-5/8" x 9-3/4", 1-1/2" MPT, 25 sq ft, OEM 20254-238. Cross-reference PDF p.47: 4CH-24 = PGS25P4.)
FilburFC-0131
Topmolded cone handle
Bottom1-1/2" MPT
Ø 4-5/8" (117 mm)9-3/4" (248 mm)Side view · end views belowTopBottom
Top: molded cone handle
Bottom: 1-1/2" MPT
Drawn to scale from the listed diameter and length. Handles, threads and closed ends are drawn as symbols, not to scale. 25 sq ft media.

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Saratoga Spas is the group name on the Saratoga Spas row 4CH-24 cartridge (OEM 20254-238). Match these numbers: OEM 20254-238; Unicel 4CH-24; Pleatco PGS25P4; Filbur FC-0131. 4-5/8" across, 9-3/4" long, top molded cone handle, bottom 1-1/2" MPT, 25 sq ft.

What the sources add about 20254-238: 1-1/2" MPT, 4-5/8" x 9-3/4", 25 sq ft. Unicel's spec table gives 173 pleats. Pleatco PGS25P4 and Filbur FC-0131 print the same size and 25 sq ft for OEM 20254-238. This is the Saratoga cartridge the three catalogs agree on.

4CH-24 (OEM 20254-238), Pleatco side: Spec table PDF p.31: PGS25P4, 4-5/8" x 9-3/4", 1-1/2" MPT, 25 sq ft, OEM 20254-238. Cross-reference PDF p.47: 4CH-24 = PGS25P4..

20254-238, Filbur note: Saratoga section PDF p.25: FC-0131, 4-5/8" x 9-3/4", 1-1/2" MPT, PGS25P4, 4CH-24, 25 sq ft..

Before ordering 4CH-24, compare it with 4CH-21 differs by Unicel 4CH-21, Pleatco PTL18P4, Filbur FC-0121, 8" long, 19 sq ft, OEM 20245-238, note says 1-1/2" MPT, 4-5/8" x 8". Unicel's spec table: 158 pleats, 19 sq ft. The Saratoga line names OEM 20245-238. Pleatco PTL18P4 is the same length and 18 sq ft, and the spec line also names Vita PVT-25N. Filbur FC-0121 agrees with Unicel's 19 sq ft. The 19 stored here is Unicel's and Filbur's figure.; and 4CH-30 differs by Unicel 4CH-30, no Pleatco number, Filbur FC-0141, 11-7/8" long, 30 sq ft, OEM 74407-98, note says Longest of the Saratoga 1-1/2" MPT cartridges. Unicel: 4-5/8" x 11-7/8", 158 pleats, 4 oz media, 30 sq ft, OEM 74407-98. Filbur FC-0141 is the same length and prints 27 sq ft. The Pleatco cell on that Filbur row, PTL25P-4, is on Pleatco's deactivated list and is sent to PSG27.5P4. PSG27.5P4's own spec is 4-3/4" x 11-3/8", 28 sq ft, 'Saratoga Spas Circulation Pump,' and it does not print 74407-98 or 4CH-30, so it is not stored as the equivalent. The 2023 cross-reference has no 4CH-30 line. The 30 stored here is Unicel's..

Pages checked for 20254-238: Unicel 2026 Replacement Guide on 4CH-24 (Saratoga list PDF p.55: 20254-238 = 4CH-24, 4-5/8" x 9-3/4", 25 sq ft. Spec table PDF p.7: 173 pleats. Price index PDF p.88: 25 sq ft.). Pleatco 2023 Catalog on 4CH-24 (Spec table PDF p.31: PGS25P4, OEM 20254-238, 25 sq ft. Cross-reference PDF p.47: 4CH-24 = PGS25P4.). Filbur Catalog & Reference Guide on 4CH-24 (Saratoga section PDF p.25: FC-0131, 4CH-24, 25 sq ft).

If you know the Saratoga Spas model and not the part number, use the Saratoga 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 Saratoga Spas cartridges

All 6 Saratoga Spas spa filters

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