Product Overview
The Pentair Threaded Union Adaptor Kit 178733Z is a genuine OEM replacement kit designed to create secure, serviceable plumbing connections on select Pentair and Sta-Rite filtration equipment. This kit helps provide a tight, reliable seal while allowing equipment to be disconnected more easily for cleaning, maintenance, or repairs.
It is commonly used with Pentair Clean & Clear RP filters, Pentair separation tanks, and Sta-Rite Posi-Clear RP filters.
Ideal For
This union adaptor kit is ideal for:
Pool equipment plumbing repairs
Replacing worn or missing filter union components
Servicing Pentair Clean & Clear RP filter systems
Servicing Sta-Rite Posi-Clear RP filter systems
Pool professionals and homeowners maintaining filter connections
Key Features
Genuine Pentair Replacement Part
Manufactured by Pentair for proper fit and reliable performance on compatible equipment.
Threaded Half Union Kit
Designed to help create a secure, removable plumbing connection.
Supports Easier Maintenance
Allows plumbing lines to be disconnected without cutting pipe during service or equipment repairs.
Includes Required Union Components
Kit includes threaded half unions, union nut “C” clips, and union diamond seals.
Designed for Select Pentair and Sta-Rite Filters
Compatible with Clean & Clear RP filters, separation tanks, and Sta-Rite Posi-Clear RP filters.
Benefits
Helps Prevent Leaks
The included union seals help maintain a dependable connection when properly installed.
Makes Future Service Easier
Union-style fittings simplify equipment access for cleaning, repair, or replacement.
OEM Fit and Quality
A genuine Pentair kit helps reduce compatibility issues compared with generic plumbing parts.
Convenient Repair Solution
Includes the main components needed to refresh or replace threaded union connections.
Specifications
| Specification | Details |
|---|---|
| Brand | Pentair |
| Product Name | Threaded Union Adaptor Kit |
| SKU / Part Number | 178733Z |
| Barcode / UPC | 788379852580 |
| Part Type | Threaded Half Union Kit |
| Application | Pool Filtration Plumbing |
| Compatible Equipment | Pentair Clean & Clear RP Filter, Pentair Separation Tank, Sta-Rite Posi-Clear RP Filter |
| Included Components | 2 Threaded Half Unions, 2 Union Nut “C” Clips, 2 Union Diamond Seals |
| Product Weight | Approx. 0.7 lb |
| Shipping Dimensions | Approx. 6" x 3" x 3" |
| OEM Part | Yes |
Customer-Facing Q&A
Q: Is this a genuine Pentair part?
A: Yes. The 178733Z is a genuine Pentair OEM threaded union adaptor kit.
Q: What equipment does this fit?
A: It is designed for Pentair Clean & Clear RP filters, Pentair separation tanks, and Sta-Rite Posi-Clear RP filters.
Q: What comes in the kit?
A: The kit includes 2 threaded half unions, 2 union nut “C” clips, and 2 union diamond seals.
Q: Does this help with leaks?
A: Yes. When installed correctly, the included union seals help create a secure, watertight connection.
Q: Can this make filter maintenance easier?
A: Yes. Union-style fittings allow plumbing to be disconnected more easily during service without cutting pipe.