Pentair 38404-4097S Service Union

What This Part Is Used For
The Pentair 38404-4097S Service Union is used to connect and disconnect plumbing lines on compatible Pentair pumps, heaters, or filters. It allows equipment to be removed without cutting pipe.

Why This Part Matters
Service unions simplify maintenance and reduce labor during equipment swaps. A cracked or warped union can cause leaks or air intrusion. Replacing worn unions helps maintain watertight plumbing connections and proper system pressure.

Key Features and Specifications

• Pentair manufacturer part number: 38404-4097S
• Service union fitting
• For compatible Pentair equipment
• Facilitates easier equipment removal
• Replacement union component only

Installation and Fitment Guidance
Shut down circulation and relieve pressure before loosening plumbing fittings. Inspect O-rings and sealing surfaces during installation. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair plumbing components are commonly used on pool equipment pads across residential and commercial installations. Their fittings are engineered to match original specifications. Service professionals rely on genuine Pentair unions for proper fit and sealing.

Common Service Context
Service unions are frequently replaced during pump rebuilds or heater installations. They are often serviced when troubleshooting small leaks at equipment connections.