The Wedeco Ideal Horizons DLR AP series is the precursor to the Wedeco Aquada Proxima series prior to their merger with ITT Industries/Xylem. Due to different standards, the DLR series had higher flow rates compared to the Aquada series. The DLR AP2 has a max flow rate of 18 gallons per minute and is their upgraded system. The DLR AP4 offers UV water disinfection with additional features such as micro-computer controller, visual and audible alarms, easy button reset for alarm and computer, and a power connection for an optional solenoid safety shut-off valve.