Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
OEM Jandy R0452100 Universal Union Kit is a multi-component replacement set for Zodiac Jandy water purification systems, including Nature2 Fusion Soft and PureLink. It includes three universal union nuts, three O-rings, two 2-inch by 2.5-inch tailpieces, and one plug with port to rebuild worn connections in your pool’s chlorination or filtration plumbing. This kit is essential for ensuring tight, leak-resistant seals and maintaining system flow integrity. Designed for easy compatibility and installation, it’s an ideal solution for seasonal maintenance or equipment upgrades.
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Designed for Fusion Soft and PureLink Systems: Offers perfect fit and function for Jandy’s top purification models and select inground systems
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Includes All Essential Union Hardware: Comes with everything required to fully re-establish secure plumbing connections
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Enhances System Flow and Sealing: Prevents leaks and pressure loss by replacing degraded unions and seals within your chlorination loop
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Ideal for Routine Maintenance Needs: Makes seasonal replacement or repair efficient and straightforward with plug-and-play components
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Built for Durability and Dependability: High-quality parts resist wear from chemicals and pressure, extending equipment life
- (1) Plug
- (2) Tail Pieces
- (3) Union Nuts
- (3) O-Rings
- Jandy AquaPure Systems
- Jandy Nature2 Fusion Soft Salt Chlorinator Systems
Note: This union kit may be compatible with your system, please refer to your owners manual to ensure compatibility.

