Hello, it is recommended to check if the maximum temperature is set in the meter, and if this is due to a fault in the electric heater or the temperature sensor probe!
Recommended "Dr. Sun" solar energy, three warehouse models (no need for water level probes and solenoid valves), heating and hot water utilization rates are fast in rainy weather, and the after-sales service rate is also greatly reduced, saving time. It also saves electricity. This model only takes 20-30 minutes to heat without sunlight, while a single warehouse takes 2-3 hours