Chemtrol 250 ORP/pH Digital Controller state_Rhode Island The display has bright LED

The display has bright LED indicators for feed

This Washington Notice Lifeguard and Attendant Statement (17 Years And Under) aluminum sign measures 12 x 10 inches

Our engraved signs are 1/4 inch thick and made of high-density polyethylene

This New Mexico Warning No Lifeguard Service Provided (14 Years And Under) Sign (Customize Or Leave Blank) measures 18 x 24 inches

Use with garden hose or 1-1/4 inch or 1-1/2 inch vacuum hose

Chemtrol 250 ORP/pH Digital Controller state_Rhode Island The display has bright LEDThe Chemtrol 250 ORP pH Digital Controller is a microprocessor based digital controller designed to maintain both sanitizer ORP (oxidation reduction potential or Redox) and water pH. The Chemtrol 250 features adjustable set points, adjustable alarms,out of range alarms, and other features not normally found on these types of controllers. This controller is designed for affordability, simplicity of installation, ease of use, and long term reliability.