Legionella Thermometers & Water Temperature Meters

Legionella Control Internationals range of professional legionella thermometers, water temperature meters and test kits has been carefully developed to help those with responsibility for the control of legionella related risks quickly, easily and accurately monitor the temperature of their hot and cold water systems, a key compliance indicator.

Regularly testing and recording the temperatures of your hot and cold water systems is an essential task if you are to demonstrate and maintain compliance with the law.

Health & Safety Executive on Temperature Control

The Health & Safety Executive in their legionella related Approved Code of Practice (ACOP) L8 state that the risk from exposure to legionella bacteria should normally be controlled by measures which do not allow the growth of legionella bacteria in water systems which include avoiding water temperatures between 20 oC and 45 oC, that favour the growth of legionella bacteria and other microorganisms. This means that:

Cold Water Temperatures

The cold water temperature of your ststem should be below 20 oC after running the cold water for up to two minutes, and should be measured and formally recorded on a monthly basis.

Hot Water Temperatures

The hot water temperature should be at least 50 oC within a minute of running the hot water, and should be measured and formally recorded on a monthly basis.

Water leaving and returning to a calorifier (water heater), the outgoing water should be at least 60 oC, and the return at least 50 oC, and should be measured and formally recorded on a monthly basis.

Legionella Thermometers

Regularly testing and recording the temperatures of your hot and cold water systems is an essential task if you are to demonstrate and maintain compliance with the law. Our thermometers and temperature meters will help you achieve this.

Our range of professional legionella thermometers and water temperature meters has been carefully selected by our expert legionella risk assessors for ease of use, reliability and accuracy.

Our thermometers are ideal for those with responsibility for the management and control of legionella risks including landlords, duty holders, those appointed responsible person, health and safety managers, property owners, building maintenance managers, service engineers, water treatment contractors and facilities managers.

Stem Thermometer

Stem type legionella thermometer

  • Simple and easy to use stem type legionella thermometer
  • High quality 70mm stainless steel stem
  • Measures both °C and °F with ranges of -40 to 200°C (-40 to 392°F )
  • Max/Min recall of high and low temperatures
  • Data hold and auto power off features
  • Digital display with 0.1° resolution
  • Complete with one LR44 button battery and protective cover
  • Weighs only 25g

Dual K Type Thermometer

dual-k-thermometer

  • Simple and easy to use dual K type thermometer
  • Compact and rugged design featuring large easy to read LCD display
  • Wide temperature range with accurate 0.1°C resolution
  • Measures both °C and °F
  • Uses K-mode thermocouple
  • Data hold function freezes reading on display
  • Auto power off to save battery life
  • Low battery and over range indication
  • Records Max/Min readings for later recall
  • Displays [T1 plus T2] or [T1 - T2] or [T1 - T2 plus T2]
  • Weighs only 200g

Infrared Thermometer

Infrared legionella thermometer

  • Simple and easy to use thermometer featuring smart infrared technology
  • Compact and rugged design featuring large easy to read LCD display with bright backlight
  • Use for both contact and non-contact temperature readings with infrared
  • Built-in laser pointer improves aim
  • Measures °C and °F
  • Wide temperature range for infrared temperature and type K thermocouple measurements
  • Data hold, auto power off, and low battery indication
  • Programmable high/low alarms
  • Memory stores up to 20 readings
  • Automatic emissivity adjustment
  • Weighs only 180g

Expert Legionella Assistance

For further information about our legionella thermometers, water temperature meters, test kits, monitoring tools, logbook software and other professional services please call +44 (0) 161 877 0586 to speak to one of our specialists or email your questions to This email address is being protected from spambots. You need JavaScript enabled to view it..

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Legionella Control International
Unit B Badex Building
Westbrook Park
Manchester M17 1AY
United Kingdom

Manchester: +44 (0) 161 877 05 86
London: +44 (0) 203 637 47 48
Email: info@legionellacontrol.com

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