AC 220V 5A All Purpose Digital Temperature Difference Controller Differential Thermostat with Sensor Probe for Solar Water Heater

The products are used in solar water heater, the temperature difference and temperature to control the output It is provided with two output control, temperature difference control of two temperature zone When the temperature reaches the set value, the circulation of the is automatically activated and the balance between the two temperatures The other channel controls the electric heating, when the solar heating has not reached the set temperature, the electric heating system can automatically start and heat to the set temperature It controls the heating system and automatically maintains the water temperature within the temperature deference range