Pentair 357161Z Drain Plug - 1/4in NPT, Black

What This Part Is Used For
Pentair 357161Z Drain Plug - 1/4in NPT, Black is a threaded drain plug used in compatible Pentair equipment housings. It seals drain ports during normal operation.

Why This Part Matters
A worn or cracked drain plug can cause leaks and air intrusion. Replacing the plug restores a secure threaded seal. Proper sealing is critical during pump rebuilds and winterizing.

Key Features and Specifications

• Manufacturer part number: 357161Z
• Thread size: 1/4in NPT
• Color: Black
• Component type: Drain plug
• For compatible Pentair equipment
• Confirm exact equipment model before ordering

Installation and Fitment Guidance
Relieve system pressure before removing drain plug. Inspect threads and apply appropriate sealant if required. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures pumps, filters, and related pool equipment. Their OEM drain plugs support proper system sealing. Pentair replacement parts are commonly stocked by service professionals. The brand maintains strong industry recognition.

Common Service Context
This drain plug is typically replaced after winterizing or when leaks develop at the housing port. It is often installed during routine equipment service.