Description

CHEMTROL® 250 Sanitizer pH Controller

Digital Microprocessor-Based Control for Pools, Spas Water Treatment

Features Benefits

• Dual control system – maintains both sanitizer (ORP/Redox) and water pH

• Designed for residential commercial pools, spas, hotels, motels, health clubs, apartments, condos, and industrial water treatment

• Easy installation and simple operation with front panel controls

• Separate adjustable set-points for sanitizer and pH

• Built-in adjustable alarms for out-of-range conditions

• Acid/Base selector for flexible chemical feed

• Proportional feed with adjustable bandwidth for accurate dosing

• Overfeed safety timers (independent, adjustable)

• Durable waterproof cabinet with clear window cover

• Backed by a 5-year electronics warranty

Simple, Reliable Water Chemistry Control

The CHEMTROL® 250 delivers worry-free water balance management with microprocessor precision — making sanitizer and pH control easy for operators of all pool and spa types.

⚠️ Tech Tips Cautions

• ⚠️ Compatible with all common sanitizers oxidizers (chlorine, bromine, ozone)

• ⚠️ Ensure sensors are calibrated regularly for accurate readings

• ⚠️ Installation should follow local codes and manufacturer’s guidelines

• ⚠️ Ideal for facilities needing basic, reliable automation without complex integration

Control Parameters

• ORP Control: Adjustable from 200 to 999 mV

• pH Control: Adjustable from 0.0 to 14.0

• ORP Sensor: Platinum electrode with 3 m cable

• pH Sensor: Glass electrode with 3 m cable

• Readouts: 3-digit ORP LED, 2-digit pH LED

Operating Modes Adjustments

• Feed Modes: Manual, Automatic, Proportional

• Adjustments: Set-point, calibration, limits, feed rate

• Indicators: LED status for feed mode, feed activity, and alarms

• Safety Features: Audio, visual remote alarms, out-of-range limits, overfeed safety timers

Mechanical Electrical

• Cabinet: Polystyrene enclosure 22 x 18 x 10 cm

• Electrical: 230V or 24 VAC (specify on order)

• Plumbing: PVC tees for 1-1/2″ or 2″ lines

• Weight: 3 kg (without pumps) / 6 kg (with 2 chemical feed pumps)

• Shipping: 30 x 30 x 30 cm carton