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.
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Pentair PKG189 FPT Half Union Adapter | 2" | 2 Pack
Fits these models (6)
+2 more models
Pickup, delivery and shipping times are estimates, not guarantees.
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Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Other parts on the same Sta-Rite Max-E-Pro Pump
The Pentair PKG189 FPT Half Union Adapter Kit provides a dependable OEM connection solution for Pentair pool and spa equipment. The kit includes couplers, locking nuts, and O-rings that create leak-free joints to support efficient water flow and reliable system operation. Built for use with Pentair System 3 Modular Media Filters, Max-E-Pro pumps, and Sta-Rite pumps including Dyna-Glas, Dyna-Max, and Dyna-Pro, it covers a wide range of equipment applications. By replacing worn or damaged unions with OEM Pentair parts, pool owners and service technicians can prevent costly leaks, maintain equipment longevity, and ensure consistent performance. Durable in design and simple to install, the PKG189 kit is a practical choice for keeping Pentair equipment in top working condition.
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Complete OEM Kit: Includes O-rings, locking nuts, and couplers designed to OEM Pentair standards for accuracy and reliability.
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Broad Compatibility: Works with Pentair System 3 filters, Max-E-Pro pumps, and Sta-Rite pump families including Dyna-Glas, Dyna-Max, and Dyna-Pro models.
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Reliable Sealing: Ensures tight, leak-resistant connections that protect against water loss and help maintain system efficiency.
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Durable Components: Built from materials designed to handle pool chemical exposure and constant pressure without premature wear.
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Convenient Replacement: Provides everything needed for a quick installation, making it suitable for both professional servicing and homeowner maintenance.
- (2) Locking Nuts
- (2) Couplers
- (2) O-Rings
Compatible with a variety of Pentair systems such as:
- Pentair System 3 Modular Media Filters
- Pentair Max-E-Pro Series Pumps
- Pentair Sta-Rite Dyna-Glas Pumps
- Pentair Sta-Rite Dyna-Max Pumps
- Pentair Sta-Rite Dyna-Pro Pumps
Note: This union may be compatible with your system, please refer to your owners manual to ensure compatibility.
