Intermatic 7 Day Mechanical Time Clock 120 V PB873MKZIntermatic 7 Day Mechanical Time Clock PB873MKZ Timer for Pools, Hot Tubs and Many Other Applications Dimensions: Height: 3 3 16" Width: 2 3 4" Case only depth: 1 5 8" Specifications: Load Rating: 20 Amps resistive 120 277 volts Motor Voltage: 120 Volts Timing Cycle: 7 day timer dial 56 timer pegs 3 hours per peg Minimum On time 6 hour Maximum On time 162 hours Intermatic PB873MKZ