Check the listing for details. Zodiac RO452500 CG Cell Port Sensor Replacement Kit. Condition: New. Listed at 175.00 USD. The Zodiac RO452500 CG Cell Port Sensor Replacement Kit is a crucial component for maintaining the proper function of your Zodiac pool or spa equipment. This kit includes a single sensor designed specifically for Zodiac brand systems, ensuring compatibility and reliable performance. Weighing 16 lbs, this replacement kit is essential for monitoring and controlling the water quality in your pool or spa, providing peace of mind for a clean and safe swimming experience.The Zodiac RO452500 CG Cell Port Sensor Replacement Kit is a crucial component for maintaining the proper function of your Zodiac pool or spa equipment. This kit includes a single sensor designed specifically for Zodiac brand systems, ensuring compatibility and reliable performance. Weighing 16 lbs, this replacement kit is essential for monitoring and controlling the water quality in your pool or spa, providing peace of mind for a clean and safe swimming experience.