Chicago\'s EQ-11KJKABNF Control Box Assembly offers commercial grade reliability and efficiency. Powered by 4 \'AA\' alkaline batteries, it provides up to 5 years of battery service life at 275 uses per day. The EQ-11KJKABNF includes a single supply inlet for pre-mixed water service, a control box housing, solenoid valve, and mounting hardware. The operating static pressure spans from 20 to 125 PSI and the maximum mixed temperature range is 180°F. Combine the EQ-11KJKABNF Control Box with a Chicago EQ Series spout assembly for an effective commercial bathroom faucet installation.