This pH probe replacement fits all Hayward and CAT controllers. It is also a replacement for Polaris 3-281 probes that work with Zodiac/Polaris controllers. This probe includes a 30 inch cable to connect the probe to your control system.
This CAT/Hayward and Polaris 3-281 compatible replacement probe is made for Hayward CAT Controllers and Zodiac/Polaris Controllers and meets the manufacturer’s specifications to operate these controllers. These high-quality electrodes provide excellent performance at a superior value.
