Pentair 351157 Kit Union - Black, 1-1/2in

What This Part Is Used For
Pentair 351157 Kit Union - Black, 1-1/2in is a replacement union kit for compatible Pentair plumbing connections. It features a 1-1/2in size in black finish.

Why This Part Matters
Damaged unions can cause air leaks or water seepage at equipment pads. Replacing the union restores a secure and serviceable plumbing connection. Reliable unions simplify pump or filter removal for maintenance.

Key Features and Specifications

• Pentair manufacturer part number 351157
• Union kit
• 1-1/2in size
• Black finish
• For compatible Pentair systems
• OEM Pentair replacement part

Installation and Fitment Guidance
Turn off the pump and relieve system pressure before disassembly. Inspect O-rings and sealing surfaces during installation. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures pumps and filtration systems used in in ground pools. Their OEM plumbing components are engineered for proper fit. Using genuine Pentair unions helps maintain leak free connections. Service professionals rely on Pentair for dependable equipment parts.

Common Service Context
This union kit is typically replaced during pump swaps, filter upgrades, or when correcting minor leaks at threaded connections.