Pentair Union Nut C Clip | Clean & Clear / Predator Cartridge Filter | 39104500Z
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- SKU:
- 39104500Z
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About This Item
The Pentair Union Nut "C" Clip (39104500Z) is the OEM replacement retaining clip for the union nut assembly on Pentair Clean & Clear and Predator cartridge filters.
This small but critical clip locks the union nut in position on the filter's plumbing connection, preventing the nut from backing off under system pressure. When the original clip is lost, damaged, or deformed, the union nut loses its positive retention — allowing it to work loose and create a leak point at the filter connection. Replacing this clip restores the union nut's secure, locked position.
Specifications
| Pentair Part Number | 39104500Z |
| Part Type | Union Nut "C" Clip |
| Quantity Included | Each (1) |
Fits Into
| Brand | Equipment Line | Model / Part Number | Notes |
| Pentair | Clean & Clear Cartridge Filter — Clean & Clear / Predator Series | CLEAN & CLEAR 50 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Clean & Clear Cartridge Filter — Clean & Clear / Predator Series | CLEAN & CLEAR 75 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Clean & Clear Cartridge Filter — Clean & Clear / Predator Series | CLEAN & CLEAR 100 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Clean & Clear Cartridge Filter — Clean & Clear / Predator Series | CLEAN & CLEAR 150 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Clean & Clear Cartridge Filter — Clean & Clear / Predator Series | CLEAN & CLEAR 200 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Clean & Clear Filter Systems — Clean & Clear Series | CLEAN & CLEAR | Fits all Clean & Clear and Predator filters |
| Pentair | Predator Cartridge Filter — Clean & Clear / Predator Series | PREDATOR 50 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Predator Cartridge Filter — Clean & Clear / Predator Series | PREDATOR 75 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Predator Cartridge Filter — Clean & Clear / Predator Series | PREDATOR 100 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Predator Cartridge Filter — Clean & Clear / Predator Series | PREDATOR 150 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Predator Cartridge Filter — Clean & Clear / Predator Series | PREDATOR 200 | Fits all Clean & Clear and Predator cartridge filters |
| Pentair | Predator Filter — Clean & Clear / Predator Series | PREDATOR | Fits all Clean & Clear and Predator filters |
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.
Pro Tip
This clip is often lost during routine filter servicing when the union nut is removed for plumbing disconnection. If you're opening the filter for cartridge cleaning or replacement, inspect the clip while the union is apart — a deformed or cracked clip is much easier to spot off the equipment than after reassembly. The part number 39104500Z is the same clip across all Clean & Clear and Predator filter sizes, so one spare on hand covers your entire system.
