Float Switch Systems AquaGuard premium brand float switch systems are always one step ahead. Water damage due to condensation overflow can be a costly and unwelcome event. AquaGuard float switch systems protect structures and provide peace of mind to their owners. Crafted from high quality plastics and water tight electronics, AquaGuard switches will not corrode or fail due to moisture exposure. All AquaGuard float switch systems are easy to install in just minutes.