Product Overview

The Hayward SPX4000FG Drain Plug & Gasket is a genuine OEM replacement set designed for select Hayward pool pumps and equipment. This drain plug seals the drain port on the pump housing, helping prevent leaks during normal operation while still allowing the pump or equipment body to be drained for winterization, service, or equipment removal.

This part is commonly used on Hayward TriStar, EcoStar, NorthStar, Max-Flo II, and select Hayward booster pump, heater, and heat pump models. It is a simple but important replacement part when the original drain plug is cracked, stripped, missing, or leaking.

Ideal For

Hayward TriStar pump repairs
Hayward EcoStar pump repairs
Hayward NorthStar pump repairs
Hayward Max-Flo II pump repairs
Replacing leaking drain plugs
Winterization service
Pool equipment maintenance
Pool service technicians and homeowners maintaining compatible Hayward equipment

Key Features

Genuine Hayward OEM replacement part
Includes drain plug and sealing gasket/O-ring
Helps prevent leaks at the pump drain port
Allows equipment housing to be drained for service or winterization
Fits select Hayward TriStar, EcoStar, NorthStar, and Max-Flo II pump models
Also compatible with select Hayward booster pumps, heaters, and heat pumps
Small but essential replacement part for pump maintenance
Easy replacement when servicing compatible equipment

Benefits

The Hayward SPX4000FG helps restore a proper seal at the pump or equipment drain port. A worn, cracked, missing, or over-tightened drain plug can cause slow leaks, air intrusion, or water loss around the equipment pad.

Replacing the plug and gasket together helps create a better seal and reduces the chance of reusing a flattened or damaged gasket. This is a useful part to keep on hand for pool openings, closings, and pump service repairs.

Specifications

Customer-Facing Q&A

What does the Hayward SPX4000FG do?
The SPX4000FG seals the drain port on compatible Hayward pumps and equipment. It can be removed when draining the equipment for service or winterization.

Does this include the gasket?
Yes. This replacement set includes the drain plug and gasket/O-ring.

Which Hayward pumps does this fit?
It is commonly listed for Hayward TriStar SP3200EE/SP3200X, TriStar VS SP3200VSP, EcoStar SP3400VSP, NorthStar SP4000/SP4000X, Max-Flo II SP2700X, and TriStar Waterfall SP3600 series pumps.

Will this fit Hayward heaters too?
Some listings show compatibility with Hayward Universal H-Series Low NOx heaters and select HeatPro heat pumps. Confirm your exact equipment model before ordering.

Is this an OEM Hayward part?
Yes. This listing is for a genuine Hayward OEM drain plug and gasket set.

When should I replace my drain plug?
Replace it if the plug is cracked, stripped, missing, leaking, or if the gasket is flattened, torn, or no longer sealing properly.

Confirm Before Ordering

Confirm your exact Hayward equipment model before ordering. This part is commonly used on select TriStar, TriStar VS, EcoStar, NorthStar, Max-Flo II, booster pump, heater, and heat pump models, but compatibility can vary by model and production version. Do not overtighten drain plugs, as overtightening can damage the plug, gasket, or equipment housing.