Index of /images/thumb/f/f6/Water_temp_difference_sensor_and-on-off-switch_for_solar-pump.png

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      1200px-Water_temp_di..> 2024-08-19 16:53  565K  
      120px-Water_temp_dif..> 2024-08-19 16:53   17K  
      180px-Water_temp_dif..> 2024-08-19 16:56   34K  
      240px-Water_temp_dif..> 2024-08-19 16:56   54K  
      300px-Water_temp_dif..> 2024-08-19 16:56   80K  
      320px-Water_temp_dif..> 2024-08-19 16:53   89K  
      450px-Water_temp_dif..> 2024-08-19 16:56  156K  
      600px-Water_temp_dif..> 2024-08-19 16:56  237K  
      800px-Water_temp_dif..> 2024-08-19 16:53  350K