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

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.