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Rola-Chem's Generation II controllers offer proportional or continuous feed and include dip-switch programmable settings
To ensure quality
The lettering is 5
This Stenner chemical pump #170FL5A3SUAA provides reliable chemical feeding for your swimming pool
The pool cleaner integrates 4 cleaning programs including wireless 4-directional Remote Control
Chemtrol 250 ORP/pH Digital Controller Sign Name Rola-Chem's Generation II controllers offerThe 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.
