... ON/OFF 2.Sensitive and smart 3.Salable and durable TB-17 Manual time switchTB-17 Water heater timer switchFeature:1 ... /OFF2.Sensitive and smart 3.Salable and durableSpecifications:Mode: TB17,TB 17, TB-17,Movement Type: AC TypeWith ON/OFF rotary switchRated ... -OFF Operation: Standard 6 operations Maximum. 48 operations are possible TB-17 Manual time switch