Temperature Monitoring

The most favourable temperature for the proliferation of legionella bacteria is between 20°C and 45°C.

The city mains supplying temperature normally sets below20°C. But the stored water temperature could be raised along with the ambient temperature due to so many reasons such as lack of insulation, stagnation, improper air vents, location of the cold water storage tank etc.

The flow temperature from water storage vessel (calorifiers) must be maintained between 60°C and 62°C and the return must be above 50 °C but due to poor condition of the storage vessel or lack of insulation may cause the temperature to fall below the required threshold of 50°C

As part of this service we will provide:

  • Monthly monitoring of the remaining 10% outlet’s temperature
  • Monthly monitoring of the flow and return temperatures of the calorifiers
  • Monthly monitoring of the supply temperature to the calorifier
  • Half yearly monitoring of the stored and ball valve temperatures
  • Half yearly monitoring of the City main’s temperatures
  • Annual monitoring of the stored and ball valve temperatures
  • Annual monitoring of the City main’s temperatures
  • Advice the client to take corrective actions if the temperatures falls within the threshold of 20 -45°C
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