The Hayward SPX4000SAV TriStar Viton Seal Assembly is a replacement mechanical seal kit designed for use with compatible TriStar pool pump models. This seal assembly uses high performance Viton elastomers to form a durable, watertight barrier between the pump’s wet end and motor compartment, helping prevent internal leakage and supporting reliable circulation performance during normal pool operation and routine maintenance.

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Key Features

• Replacement mechanical seal assembly engineered for compatible Hayward TriStar pool pump systems.
• Features Viton elastomer components for enhanced chemical and heat resistance.
• Creates a watertight barrier between the pump wet end and motor housing to prevent leakage.
• Helps maintain consistent internal pressure and stable hydraulic performance.
• Ideal for replacing worn, cracked, or degraded seals during pump service.
• Designed to withstand continuous exposure to pool water, pressure cycles, and operating environments.

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Product Overview

The Hayward SPX4000SAV TriStar Viton Seal Assembly is a critical internal component used in select TriStar pool pump models to ensure a dependable, leak-free interface at the wet end where the pump shaft exits toward the motor. Mechanical seals are essential for preventing water from migrating into the motor compartment a condition that can reduce efficiency, accelerate wear, or lead to premature failure of internal components. The use of Viton elastomer materials enhances the seal’s resistance to chemical degradation, heat, and pressure cycling, making it suitable for demanding pool environments with frequent use or high chemical exposure.

Over time, mechanical seals experience wear from friction, thermal cycling, and chemical exposure, which can compromise their ability to maintain a watertight barrier. Installing the SPX4000SAV helps restore proper sealing integrity, maintain internal pressure stability, and support efficient circulation performance. This replacement seal assembly is commonly used during pump rebuilds, mechanical seal replacement service, or when addressing observed leakage at the wet end, contributing to long term operational reliability of compatible Hayward TriStar pool pump systems.