Pentair U178-920PZ Drain Plug Assembly with O-Ring

What This Part Is Used For
Pentair U178-920PZ Drain Plug Assembly with O-Ring is a replacement drain plug Assembly for compatible Pentair pumps and equipment housings. It seals the drain port during normal system operation.

Why This Part Matters
A worn drain plug or flattened O-ring can cause slow leaks and air intrusion. Replacing the complete Assembly restores a tight seal and prevents water loss. Proper sealing is critical during winterizing and routine pump service.

Key Features and Specifications

• Manufacturer part number: U178-920PZ
• Component type: Drain plug Assembly
• Includes integrated O-ring
• Used in compatible Pentair equipment
• Seals drain port opening
• Confirm exact model before ordering

Installation and Fitment Guidance
Relieve system pressure before removing the drain plug. Inspect threads and sealing surfaces during replacement. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures pumps, filters, and circulation equipment used in residential and commercial pools. Their OEM parts support long term maintenance and reliability. Pentair components are widely serviced by pool professionals. The brand has strong industry recognition.

Common Service Context
This drain plug Assembly is commonly replaced after winterizing or when leaks develop at the housing. It is often installed during pump rebuilds.