Water heater thermostat 1.bakelite body, 2.horizontal ... UL,JET,KTL,etc. Products InformationKSD1 and KSD series thermostats are one type of small bimetal temperature ... or overheat protection for such as hot-water heater, kettle, water dispenser, electronic disinfection device, dryer, microwave oven ... and copier. Instructions Note:* Don’t let water or other liquid leak into the thermostat.* The ...