Hayward Drain Plug and Gasket SPX4000FG

Is your pool pump leaking water from the bottom or losing prime when the system shuts off?

A worn, cracked, or missing drain plug gasket can cause persistent leaks, air intrusion, and reduced pump efficiency — especially after winterization or freeze damage.

The Hayward SPX4000FG Drain Plug & Gasket is a genuine replacement designed to restore a watertight seal and proper pump operation.

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Fixes Common Pump Leak & Prime Issues

Replacing your drain plug and gasket helps correct:

• Water leaking from pump housing

• Pump losing prime

• Air entering suction system

• Cracked winterization plugs

• Worn or flattened gaskets

• Slow drip equipment pad leaks

A tight seal is critical for maintaining circulation performance.

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Genuine Hayward OEM Replacement

The SPX4000FG is manufactured to original Hayward specifications for proper thread fit and sealing performance.

Designed as a direct replacement — installs in minutes with no modifications required.

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Compatible With Hayward Pump Models

Fits select Hayward pump and filter systems, including:

• Hayward Super Pump Series

• Hayward MaxFlo Pumps

• Hayward NorthStar Pumps

• Hayward TriStar Pumps

• Select Hayward filter housings

(Always confirm model compatibility before purchase.)

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Essential for Winterization & Freeze Repairs

Drain plugs are commonly removed during winterization to prevent freeze damage.

This replacement is ideal for:

• Lost winterizing plugs

• Cracked plugs from freezing

• Spring pool openings

• Equipment pad leak repairs

• Preventative maintenance

A fresh gasket ensures proper sealing after seasonal startup.

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Key Features & Benefits

• Genuine Hayward replacement plug

• Includes sealing gasket

• Restores watertight pump seal

• Prevents air & water leaks

• Durable chemical-resistant construction

• Easy hand-thread installation

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Product Details

• Brand: Hayward

• Part Number: SPX4000FG

• Product Type: Drain Plug & Gasket

• Material: Heavy-duty plastic plug + rubber gasket

• Application: Pool Pump / Filter Drain Port

• Use: Winterization & leak repair

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If your pump is dripping, pulling air, or missing its drain plug after winter, circulation performance will suffer.

Restore a proper seal and prevent leaks with the Hayward SPX4000FG Drain Plug & Gasket Replacement.