Opens an Amazon search for this part number, not one listing we pre-checked.
7CH-552 spa filter equivalents
Part number 7CH-552 appears in 1 cross-reference row below. Each row lists the OEM, Unicel and Pleatco numbers that the source documents treat as interchangeable, plus the cartridge size so you can confirm against your old filter.
The same numbers, on one page, are in the cross-reference lookup. A schedule for this part number, and the buy link, are on the replacement schedule and reorder page. Published intervals by brand are in the replace and clean calculator.
Dimension One Spas 7CH-552 cartridge (OEM 1561-10), 7" (178 mm) × 10-1/2" (267 mm), 52 sq ft. Unicel 7CH-552, Pleatco not listed.
Search this part on Amazon
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. See our affiliate disclosure.
| OEM | 1561-10 |
|---|---|
| Unicel | 7CH-552 |
| Pleatco | not listed |
| Filbur | not listed |
| Size | 7" (178 mm) × 10-1/2" (267 mm), 52 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Dimension One Spas section), PDF p.33 (printed p.29), 75 sq ft; spec table PDF p.15 (printed p.11), 7CH-552 rated 52 sq ft (PDF)
- Hot Tub Outpost (retailer OEM listing): 01561-10: 7" x 10.5", handle, 2" MPT fine thread, 52 sq ft; 1995 Platinum Series, 1994 Arena and Diamonte; replaces Unicel 7CH-552, Filbur FC-0465, Pleatco PTL55XW-F2M (web page)
- SpaStore.com (retailer): AK-9026: OEM 1561-10, Unicel 7CH-552, Pleatco PTL55XW-F2M, Filbur FC-0465; 7" x 10-1/2", handle, 2" MPT, 52 sq ft (web page)
- Pleatco 2023 Catalog: Deactivated Pleatco part numbers, PDF p.24: PTL55XW-F2M, replacement N/A (PDF)
Not in sources: no current Pleatco or Filbur equivalent (Pleatco PTL55XW-F2M deactivated; FC-0465 not in the Filbur catalog); 1994 Arena/Diamante also listed under 1561-03.
Full details → · All Dimension One Spas spa filters · Which fitting you need · How to install it