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Evoqua Blu-Sentinel SE Pool & Spa Chemical Controller

Original price was: $4,677.75.Current price is: $3,405.89.

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SKU: 28-0406 Category:

BLU-SENTINEL™ SE Chemical Controller

Item ID: W3T391858

The BLU-SENTINEL™ SE Chemical Controller is an advanced commercial pool and spa water management system engineered for precise chemical monitoring and automated control in recreational water environments. Designed through a collaboration with Neptune-Benson and the Wallace & Tiernan® brand heritage from Evoqua, this controller delivers industry-leading performance for commercial swimming pools, aquatic centers, water parks, therapy pools, and competition facilities.

Built for accuracy and reliability, the BLU-SENTINEL SE is equipped with premium Strantrol® High Resolution Redox (HRR) and pH sensors, providing dependable real-time measurements to ensure consistent water quality, bather safety, and regulatory compliance.

Advanced Pool Water Treatment Control

The BLU-SENTINEL SE acts as a complete pool chemical automation system, integrating intelligent control technologies that simplify operations and optimize disinfection. Features such as shock chlorination, economic (energy-saving) modes, and the proven CEDOX control algorithm ensure stable, responsive chemical management under all operating conditions.

This commercial-grade controller supports a full range of chemical feed and treatment systems, including:

  • Metering and dosing pumps

  • Relay-controlled chemical feeders

  • Chlorine gas feed systems

  • On-site electrochlorination generators

  • UV disinfection system control signals

  • Flocculation and coagulation feed systems

  • Activated carbon slurry feed systems

Designed for Scalable Commercial Applications

The BLU-SENTINEL family is available in three configurations — BLU-SENTINEL, BLU-SENTINEL SE, and BLU-SENTINEL Pro — allowing facilities to scale from small commercial pools to large water parks and aquatic facilities with confidence.

The SE model is ideal for mid- to large-scale installations that require robust process control, reliable sensor technology, and flexible automation capabilities.

Key Features & Benefits

  • Optimized pool water disinfection automation

  • Precise pH control using advanced Strantrol® pH sensor technology

  • Measures up to four water quality parameters simultaneously

  • Disinfectant control using HRR Redox (ORP) sensor or bare-electrode free chlorine measurement

  • Intelligent CEDOX control algorithm for stable chemical management

  • Freely assignable relay outputs for chemical feeders, equipment control, and alarm notifications

  • Supports integration with UV, electrochlorination, gas chlorination, and flocculation systems

  • Reduces chemical waste, labor time, and operating costs

Applications

Ideal for use in:

  • Commercial swimming pools

  • Aquatic centers

  • Water parks

  • Competition pools

  • Therapy and rehabilitation pools

  • Hotels, resorts, and fitness facilities

Additional Information

Product Brochure 

Owners Manual

Spec Sheet

Back-Plate