Pentair Diverter Valve Cover O-Ring, 51016200Z

Pentair 51016200Z Buna-N 70 Shore #2-152 O-Ring For 1-1/2 Inch and 2 Inch PacFab and ComPool 2 and 3-Way Diverter Valve

The Pentair 51016200Z is a replacement cover O-ring designed for 2- and 3-way diverter valves (e.g. Lube-Free Diverter, PacFab). It seals the interface between the valve cover and body to maintain watertight integrity and prevent leaks, especially under pressure or varying flow conditions.

Key Features & Benefits

OEM Compatibility: Fits Pentair 2″ and 2½″ diverter valve assemblies, including Lube-Free and PacFab 3-port valves

Reliable Seal: Prevents leaks at the cover interface, ensuring proper performance under system pressure

Durable Material: Made from a compatible elastomer (e.g. Buna-N / B70) that resists pool chemicals, UV, and wear

Easy Replacement: Drop-in part—no trimming or tools required beyond basic valve disassembly

Compact & Affordable: A small, lightweight part that’s inexpensive to stock for maintenance or repairs

The Pentair 51016200Z is a Diverter Valve Cover O-Ring designed for Pentair pool and spa valves. 

• Compatibility: Fits Pentair 2 and 3-way diverter valves, including Compool Lube-Free Diverter Valve 3 Port CPVC 2″-2.5″ and PacFab 2 and 3-way valves.

• Material: Made from Buna-N material for durability and resistance to wear.

• Function: Provides a tight seal to prevent leaks and ensure smooth operation of the valve.

Used On

• Pentair Compool 1.5" and 2" Diverter Valve Parts