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Legionella bacteria thrive in warm, stagnant water, which means poorly designed or poorly maintained cooling systems can present a serious risk. An outbreak doesn’t just affect health and safety — it can also lead to compliance issues, operational disruption, reputational damage and costly downtime.
That’s why proactive Legionella prevention is essential for any site running chillers, adiabatic coolers or industrial process cooling systems.
Eliminate stagnant water
Stagnant water is one of the biggest contributors to Legionella growth. Closed-loop cooling systems and well-designed circulation help reduce risk by preventing water from sitting idle in pipework or equipment.
Maintain stable temperature control
Legionella bacteria multiply most rapidly between 20°C and 45°C. Effective cooling systems should maintain stable, controlled temperatures to avoid prolonged operation within this risk range.
Choose hygienic, low-maintenance system designs
Modern process cooling systems can be designed to minimise areas where bacteria can develop, reduce “dead legs” in pipework, and make inspections and routine maintenance easier.
Implement effective water treatment
Ongoing water treatment is critical. Correctly specified chemical dosing, filtration and monitoring help maintain safe conditions and protect equipment over the long term. In hard water areas, pre-treatment such as a water softener can also help by reducing scale build-up, improving efficiency and lowering associated Legionella risk.
Carry out regular audits and preventative maintenance
Regular audits and planned servicing help identify risks early, improve performance and ensure your cooling infrastructure remains safe, compliant and reliable.
Summit Process Cooling can help
At Summit Process Cooling, we help manufacturers take control of their cooling infrastructure with efficient systems designed to reduce Legionella risk, improve reliability and minimise maintenance requirements.
If you want to future-proof your cooling system and protect your workforce, get in touch with our experts today.
For more information on Key Ways to Reduce Legionella Risk in Process Cooling talk to Summit Process Cooling