www.pmmag.com/articles/94121-sump-pump-microprocessor
Sump Pump Microprocessor
October 1, 2009

Blue Angel Pumps features Cap Switch technology for plumbers that ensures worry-free, reliable sump pump operation. The completely sealed, microprocessor-controlled switch is designed with no moving parts to wear or corrode over time. Detects the presence of water vs. air and determines the cycle time in which to keep the pump running.
For more information, visit www.blueangelpumps.com.