TOTO TLE01503U AC Powered 1.0 GPM Water Supply Controller ValveTOTO TLE01503U AC Powered 1. 0 GPM Water Supply Controller Valve for Touchless Bathroom Spouts The TOTO AC powered 1. 0 GPM water supply controller valve for touchless bathroom spouts is designed for use with compatible TOTO spouts. The TOTO touchless faucet is ideal for high traffic commercial spaces and provides an elegant water conservation solution. The 1. 0 GPM controller is CEC and CALGreen compliant. The water flows only when needed and cannot