Rola-Chem 550136 Replacement ORP Sensor Probe – Compatible with Digital and Gen II Controllers

Ensure accurate and continuous water chemistry monitoring with the Rola-Chem Replacement ORP Sensor Probe. This factory-direct sensor is engineered for seamless integration with Rola-Chem ORP/pH digital controllers, including the popular 554000 and 555007 models. The probe uses a high-quality electrode for precise measurement of sanitizer activity (chlorine levels) via ORP, making it ideal for commercial pools, resorts, hot tubs, water parks, and fountains.

With a standard BNC connector, this probe installs easily into your existing flow cell or inline setup. Built for rugged conditions, it features a sealed body, durable sensing tip, and long cable for flexible mounting. For best performance, pair it with Rola-Chem’s flow cell system and maintain it with regular calibration and storage practices.

Whether you're replacing a worn probe or maintaining routine sensor life cycles, this ORP sensor is a critical component for automated chemical control systems.

What’s Included

• 1 × Rola-Chem ORP Sensor Probe

• 1 × Protective storage cap (pre-filled with solution)

• Attached 8-Foot cable with BNC connector

•  1-Year Manufacturer's Warranty