The SludgeBoss Float Switch from Sump Alarm is self-orienting and can be mounted without entering the tank. It can hang freely into a septic tank and will orient automatically when the water level rises. It is rated up to 250-volts operations at up to 13 amps or 1/2 hp and is suitable for 20 degrees below zero to 140 degrees F. This three-wire float switch can be used for high- or low-level operation. It is mercury-free. 314-787-8059; www.sumpalarm.com.
