The CHEMTROL® 250 is a microprocessor-based digital controller designed to maintain both sanitizer ORP (oxidation-reduction potential or Redox) and water pH in high-end residential pools, small commercial pools and spas and light industrial applications.

Designed for affordability, simplicity of installation, ease of use and long-term reliability, it includes features normally not found on this type of controller, such as:

• Easy to install
• Simple to use
• All Control Functions on Front Panel
• Separate Adjustable Setpoints
• Separate Adjustable Alarms
• Acid/Base Selector
• Proportional Feed with Adjustable Bandwidth
• Separate Adjustable Overfeed Safety Timers
• Waterproof Cabinet with Clear Window Cover
• 5-year Electronics Warranty
• Toll-Free Technical Support