Pentair | 42001-0402 | 2in Union Slip KIT. MasterTemp and StaRite Heaters. Replacement PART.

In stock
SKU: 42001-0402
Length: 4 in Width: 4 in Height: 1 in
Regular price $49.00
Regular price Sale $69.00 Sale price $49.00

Replace worn heater unions with the Pentair 42001-0402 2" Union Slip Kit. Compatible with MasterTemp and Sta-Rite heaters for secure, leak-free plumbing connections.


Key Features & Benefits:

  • OEM Replacement Part: Designed specifically for Pentair MasterTemp® and Sta-Rite® pool and spa heaters.

  • 2-Inch Union Slip Connection: Allows easy integration into standard 2" PVC plumbing systems.

  • Secure, Leak-Resistant Fit: Ensures tight, reliable connections for optimal water flow and heater performance.

  • Durable Construction: Built from high-quality materials to withstand high temperatures and chemical exposure.

  • Easy Installation: Ideal for maintenance or repair—restores factory connection standards with minimal effort.

  • Complete Kit: Includes union nuts and slip fittings for a full connection upgrade.


Product Overview:

The Pentair 42001-0402 2" Union Slip Kit is a factory-authorized replacement part designed for use with Pentair MasterTemp® and Sta-Rite® pool and spa heaters. This union kit allows you to securely connect 2" PVC plumbing to the heater, providing a reliable and leak-free installation.

Whether you're installing a new heater or replacing worn fittings, this kit ensures proper alignment and sealing, maintaining system performance and preventing water loss. Built for durability and ease of use, the 42001-0402 is a must-have for pool professionals and DIY owners maintaining their heater systems.