There is a part qc 1 in the water heater. What do you mean?
Water heater qc 1 refers to the model of water heater controller or thermostat, which is used to control the heating temperature and insulation temperature of water heater. Qc 1 is usually composed of temperature sensor, control chip and relay, which can accurately control the temperature of water heater and ensure the safety and efficiency of water heater.