Pentair U178-940P Fill Plug Utility Pump

What This Part Is Used For
Pentair U178-940P Fill Plug Utility Pump is a replacement fill plug used on compatible Pentair utility pumps. It seals the priming or fill port on the pump housing.

Why This Part Matters
A damaged fill plug can prevent proper priming or allow water to leak during operation. Replacing the plug restores a tight seal and helps maintain consistent pump performance. Proper sealing is important to avoid air entering the pump housing.

Key Features and Specifications

• Manufacturer part number U178-940P
• Fill plug for utility pump
• Used on select Pentair pump models
• Seals priming or fill port
• Factory replacement component

Installation and Fitment Guidance
Turn off power before servicing the pump. Confirm by manufacturer part number before ordering. Inspect the sealing surface for debris before reinstalling.

About the Pentair Brand
Pentair produces a wide range of pool and utility pumps for residential and commercial use. Their pumps are built with serviceable priming and drain ports. Genuine Pentair plugs help maintain reliable pump operation.

Common Service Context
Typically replaced after stripping threads, cracking during freeze conditions, or when addressing small leaks around the pump housing.