An impressive collection of electronic and manual valves designed to meet the demands of high-use spaces. Labor-saving installation, water-saving operation and time-saving maintenance and care. For 3/4" Back Spud Urinal, 0.125 gpf Large Stainless Steel Wall Box Allows For Installation & Maintenance From The Front Electronic flush valve with Selectronic® proximity system for hygienic “Hands Free” operation Self-Cleaning Piston helps prevent clogging & reduces maintenance Positive Seal ensures leak-free performance without the chance of warping or cracking Fully Mechanical Manual Override Button can flush toilet during a power outage Range can be adjusted manually or by remote control State-of-the Art electronics eliminates false flushes Sensor & Electronic controls are hermetically sealed to ensure reliable operation Automatic flushes after 24 hours of non-use to maintain trap seal & clean fixture Stadium Feature: Valve automatically switches to water savings mode during periods of heavy usage Fail-Safe: Valve automatically closes on loss of power; remains closed during start-up 3 second flush delay Low Battery indicator All exposed parts are chrome plated ADA compliant Recommended water pressure: 20 psi - 80 psi