WQP learned which educational sessions were most popular among attendees at the 2017 WQA Convention & Exposition.
The L-40 level switch is ideal for level control in RO tanks. It is compact and rugged, and can be mounted vertically or horizontally. A combination these level switches can be used to function as a high-level or low-level switch. In addition, they are often installed as emergency overflow switches (shown in the photo in red). When used with a latching controller, the L-40 can be used in a pump up/down system.