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Benefits of remote temperature monitoring for Legionella control

The importance of temperature monitoring

Temperature control is the primary method used in the UK to minimise Legionella risk. It is critically important that hot and cold supply systems be maintained in the correct temperature ranges (below 20⁰C for cold water outlets and above 50⁰C for hot outlets) so that Legionella bacteria isn’t allowed to grow within the water system.

The advised monthly temperature checks are typically undertaken at sentinel points (near and far outlets) as well as other outlets typically identified in the Legionella risk assessment. 

It can become a complex operation managing water systems in multiple buildings, for example, if you’re an estate manager responsible for the a large building portfolio across the UK, how do you ensure that Legionella risks are controlled, temperature checks are carried out on a monthly basis and that all buildings are compliant at all times?

You need a competent person to carry out the checks - there’s more to temperature monitoring than just putting a thermometer under a tap, and most importantly, temperatures need to be recorded in a paper or digital log book. The HSE expects you to record ‘results of any monitoring inspection, test or check carried out, and the dates.’

Benefits of remote temperature monitoring

Remote temperature monitoring is an effective way to manage Legionella compliance across multiple properties such as pubs, hotels, schools and universities and in particular in higher-risk building such as hospitals and care homes. 

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It’s possible to achieve compliance in hard to reach areas such as plant rooms and hospital wards, where access may not always be available.  

This cost-effective solution allows your water systems to be compliant with ACOPL8/HSG274 Part 2 guidance and reduces the need for manual inspections on a monthly basis and interference on your day to day workplace activities.  The sensors do most of the work for you and produce live data which you can access via an online portal, at any given time.

How does it work?

The latest of generation of wireless temperature probes are placed at the sentinel points which constantly track and record temperatures and send real-time data. The constant flow of data enables you to review your water system efficiencies and energy consumption on a regular basis, giving you the reassurance of full compliance. 

The software includes a log book, compliance reporting, temperature monitoring, energy consumption, conditions and critical assets monitoring to help drive down costs across your whole estate.  

If you would like further advice about Legionella management and to arrange a free demonstration with our water team, call Manchester 0161 872 7111, London 0203 3846175 or email 


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