Pentair
Pentair Sta-Rite Half Union Kit (2-Pack) 42001-0402 – 2 Inch Slip
Pentair Sta-Rite 2-Inch Slip Half Union Kit
Two-piece half-union adapter kit for compatible Sta-Rite pumps, heaters and equipment assemblies requiring 2-inch slip plumbing connections.
Warranty Information
1-Year Limited Manufacturer Warranty
Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.
The Pentair Sta-Rite Half Union Kit (42001-0402) provides two 2-inch slip half-union adapters for connecting compatible pool and spa equipment to rigid PVC plumbing. Each union creates a removable connection that allows equipment to be disconnected without cutting the surrounding pipe.
The kit includes the locking nuts, couplers and EPDM O-rings required for two half-union connections. Its durable PVC construction makes it suitable for equipment-pad plumbing where dependable sealing and convenient future service access are required.
Key Features
Provides two complete half-union adapters for equipment inlet and outlet plumbing connections.
Designed for compatible plumbing installations using nominal 2-inch slip PVC pipe.
Allows connected equipment to be removed and reinstalled without cutting the plumbing line.
Includes locking nuts, couplers and sealing O-rings for both union assemblies.
Made from PVC for reliable use in compatible pool and spa plumbing systems.
Supplied with EPDM O-rings to create a sealed connection when correctly installed.
Compatibility & Fitment
Compatible with the following identified Sta-Rite pump models:
- Sta-Rite IntelliPro VSF – 013004
- Sta-Rite IntelliPro 2 VST – 013001
- Sta-Rite IntelliPro VS manufactured after 2018 – P6E6VS4H-209L
The kit may also fit other Sta-Rite equipment when part number 42001-0402 is specifically identified in the applicable product manual or replacement-parts diagram. Compatibility may vary by production year, configuration and installation. Verify your exact model and part number before ordering.
Applications
- Sta-Rite pump inlet and outlet plumbing
- Compatible pool heater connections
- Filter and equipment-pad plumbing assemblies
- Replacement of damaged or leaking half unions
- Installations requiring removable equipment connections
Confirm that the equipment connection and plumbing both require a 2-inch slip half union before installation.
Specifications
| SKU | 42001-0402 |
| Brand | Pentair Sta-Rite |
| Product Type | Half Union Adapter Kit |
| Connection Size | 2-Inch Slip |
| Material | PVC |
| O-Ring Material | EPDM |
| Pack Quantity | 2 Half Unions |
| Included Components | Two half-union adapters, locking nuts, couplers and EPDM O-rings |
| Compatibility | Sta-Rite IntelliPro VSF 013004, IntelliPro 2 VST 013001 and IntelliPro VS P6E6VS4H-209L manufactured after 2018; additional models only where 42001-0402 is specified |
| Application | Compatible pump, heater, filter and equipment-pad plumbing connections |
| Warranty | 1-Year Limited Manufacturer Warranty |
| Final Sale | Yes |
Frequently Asked Questions
The kit includes two half-union adapters with the associated locking nuts, couplers and EPDM O-rings.
Each adapter is designed for a nominal 2-inch slip PVC plumbing connection.
A union allows the equipment to be disconnected for service or replacement without cutting the attached PVC plumbing.
It may fit additional equipment only when part number 42001-0402 is listed in the equipment manual or replacement-parts diagram. Verify the exact model before ordering.
Yes. EPDM O-rings are included for both half-union assemblies.
No. This product is final sale. Verify the connection size, equipment model and required part number before placing your order.
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