Hayward | W3PRO25-AU-2 | Sensor-Gold, ORP, 24' Cable-OL

The Hayward W3PRO25-AU-2 Gold ORP Sensor with 24-Foot Cable (OL Series) is a high-precision replacement sensor designed to measure oxidation-reduction potential (ORP) in commercial and residential pool and spa water treatment systems. Built for accuracy, durability, and long service life, it ensures optimal water quality monitoring and seamless integration with Hayward automation systems.

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Key Features

• Gold ORP sensor for accurate oxidation-reduction potential readings

• 24-foot cable for flexible installation in various system layouts

• Designed for use with Hayward OL Series water chemistry automation systems

• High-precision measurement for effective water sanitation control

• Durable, corrosion-resistant materials for long-term reliability

• Easy to install and replace in compatible probe holders

• Supports consistent water balance and sanitizer effectiveness

• Ideal for both commercial and residential pool/spa applications

• Factory-tested for quality assurance and dependable performance

• Compatible with Hayward CAT Controllers and similar automation platforms (OL Series specific)

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Product Overview

The Hayward W3PRO25-AU-2 Gold ORP Sensor with 24-Foot Cable is engineered for accurate and reliable monitoring of pool and spa water quality. Using a gold electrode for enhanced durability and stable measurement, it precisely tracks oxidation-reduction potential, ensuring that sanitizer levels remain effective. The long 24-foot cable allows for flexible positioning within your system, making it suitable for a variety of installation setups. Designed for Hayward OL Series systems, this sensor plays a critical role in maintaining safe, clean, and well-balanced water in both residential and commercial environments.