Expander Station 4 roll-up sides non-electric chemical injectors are the

non-electric chemical injectors are the easiest

The unit has a horizontal configuration with an insulated cabinet for quiet operation

Designed for cabinet integration to drive relays

The Aqua-X Plus controller is an upgraded version of the Aqua-X controller

Quest 506 is a 500 pint

Expander Station 4 roll-up sides non-electric chemical injectors are theThe 4RS 1 is a universal 4 outlet power expansion module. It can be used with any of TrolMasters plug in style device modules to expand the number of devices that can be controlled by the Hydro x. A single 120 240 volt trigger cable on the 4RS 1 connects to your device control module. When the device module is activated by the Hydro x, the 4RS 1 trigger cable will turn on each of the 4 receptacles on the 4RS 1 with a 3 second time delay between each