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How legionella bacteria grow in water systems, how people become ill and the checks that keep a building safe.
Legionella flushing means running every tap and shower that is not used at least once a week, for several minutes, so that stagnant water is cleared from the pipes. It is done weekly, without creating spray, and each flush is recorded.
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See All Our CoursesThe Legionella Training Course at Online Safety Courses is built to be clear for every learner, whatever your first language. Real water systems and clear photographs guide you through where legionella bacteria grow, the systems on your premises that pose risks, the five step legionella risk assessment and the control measures that keep water safe, step by step. This legionella course online is aligned with Irish legislation, including the Safety, Health and Welfare at Work Act 2005, the Chemical Agents Regulations 2001 and the Code of Practice for the Prevention and Control of Legionellosis, and issues a recognised legionella training certificate, accepted as proof of legionella training throughout Ireland, the UK and Europe. Start your legionella training now. Online Safety Courses proudly serves learners across every county in Ireland, including Dublin, Cork, Galway, Limerick, Waterford, Kilkenny.
Your legionella training certificate is four simple steps away, wherever you are in Ireland: Dublin, Cork, Galway or anywhere across every county in Ireland. The whole legionella training course runs online around your own schedule.
Open your account at Online Safety Courses, pick the Legionella Training Course and pay securely. Your legionella training unlocks the moment payment completes.
Phone, tablet or laptop, at work, at home or on the commute. Pause the legionella course mid lesson and carry on later exactly where you stopped.
Answer 15 questions and get at least 12 right to pass. Every retake is free, so there is no pressure at all.
The second you pass, your legionella training certificate is generated. Download, print or file it with your training records, ready for any audit or inspection.
Online Safety Courses is operated by a legally registered company, and this legionella training course carries independent approval from leading professional bodies. Employers in Ireland, from Dublin and Cork to Galway, accept our certification without question, as do businesses across Ireland, the UK and Europe.
Finish the legionella training at Online Safety Courses and an officially recognised legionella training certificate lands in your account instantly, accepted by employers in Ireland and right across Ireland, the UK and Europe.
749,500+ learners across Ireland and the UK have certified with Online Safety Courses, including facilities managers, landlords, maintenance teams, hotel staff and care home managers through this legionella training.
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From Dublin, Cork and Galway to businesses across Ireland, the UK and Europe, thousands choose us for accredited online safety training, fast completion and instant certification.
Straight answers about the legionella training course for Ireland learners: local acceptance, online delivery, certification and pricing at Online Safety Courses.
No. Legionnaires' disease is not contagious in the ordinary sense. It is caught by breathing in fine droplets of water that contain the bacteria, from a source such as a shower, a spa pool or a cooling tower. A person who has it is no risk to others.
Yes. Every employer and every person in control of premises must assess the risk from the water systems, however simple. For a small building with mains fed cold water and a small water heater the assessment is short, but it must still be done and reviewed.
Not normally. The bacteria cause disease when they reach the lungs, which happens by breathing in an aerosol. Drinking contaminated water is not a recognised route, except in the rare case where water goes down the wrong way into the lungs.
The legionella course runs beautifully on PC, laptop, tablet and smartphone, wherever in Ireland you happen to be. A clean, comfortable platform designed for smooth learning, at work, at home or on the move. Learners in Ireland study from home, from work or on the move, with no classroom visit needed anywhere across every county in Ireland.
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Add any 5 different courses* to your cart and pay €100 instead of €160+. That's just €20 per course. The discount is applied automatically in your cart, no promo code, no waiting.
* Applies to all courses except HACCP Level 3 and Health and Safety for Managers.
Training a team? Buy as many bundles as you need. Every learner gets certified at €20 per course.
Certifying your team is painless with Online Safety Courses. Instant access, unlimited retakes and no time limits on every seat, plus a free Employer Dashboard to assign the legionella course, watch progress live and hold every certificate in one place, exactly the training record the Code of Practice expects a duty holder to keep. Businesses in Ireland certify entire teams in a single afternoon, with every certificate collected in one place.
The legionella training is fully accredited and compliant with Irish legislation. Businesses in Ireland, from construction and pharma to healthcare, hospitality, logistics and agriculture, rely on it every single week.
Discover Training TeamsEarning your legionella training certificate in Ireland could not be simpler. Register, work through the legionella training course online at your own pace, pass the assessment and download your accredited certificate instantly, wherever you are across every county in Ireland.
Set up your free account in seconds, add the accredited Legionella Training Course to your cart and pay securely. Access begins immediately.
Real water systems and clear photographs, available around the clock on phone, tablet or computer with no deadlines attached.
Answer 15 questions and get 12 right to pass. Retakes cost nothing and support is always close by.
Your accredited legionella training certificate appears the moment you pass, recognised by employers across Ireland, the UK and Europe, and valid for 3 years.
Discover why workers and businesses in Ireland, from Dublin, Cork, Galway and beyond, choose Online Safety Courses for legionella training.
The legionella training course at Online Safety Courses fits Ireland working life perfectly. From Dublin's construction cranes and Cork's pharma plants to Galway's medtech campuses, Limerick's manufacturing belt and the farms, hotels, warehouses and hospitals in every county between, Irish workplaces run on certified, compliant staff. Instead of losing a day to a classroom, learners in Ireland complete the full accredited training online, in about 2 hours, from home or straight from the workplace.
Local employers know exactly what they are looking at when your certificate arrives: CPD Certified, RoSPA approved, HSA aligned training from a provider used by businesses across every county in Ireland. The unique verification code on every certificate makes checks instant, whether you work in Dublin, Cork or Galway.
For businesses, the free Employer Dashboard turns a team rollout into one afternoon of work: bulk registration, live progress and every legionella training certificate in one clean screen, with automatic volume discounts applied at checkout.
This legionella training course was designed around real working weeks: site rounds, tenant calls, maintenance windows and no spare afternoons. Every lesson streams on any device, every pause saves your place, and nothing needs installing. Real water systems and clear photographs turn the science of legionella, the five step risk assessment and the control measures into knowledge you can actually use the next time you walk your premises.
The syllabus tracks exactly what Irish law expects from every duty holder: understanding how Legionnaires' disease spreads, assessing the water systems you control, and running the temperatures, flushing routines and cleaning schedules that keep people safe.
Whether you need your own certificate for a new role or you are certifying a whole facilities team, the legionella training flows without friction from registration to certificate.
A classroom legionella course means lost working hours, travel and cover costs, often across several staff at once. The online legionella course removes all of it. Staff certify from home or the workplace, at their own pace, starting the moment you enrol them.
Managers see each completion in real time and can show an auditor the complete training record in seconds. Stack the automatic volume discounts on top and this becomes the most economical accredited legionella training available in Ireland.
Pricing is honest: one figure covers the full course, unlimited retakes and the instant legionella training certificate. No add ons, ever.
Rosters and busy weeks leave no room for fixed course dates. The self paced legionella course lets you move at whatever speed suits, pausing on any device and resuming exactly where you left off, before work, at lunch or on the commute.
A clear progress tracker shows how much of the legionella training remains and how close the certificate is. Some learners finish in one focused sitting; others spread it across a few breaks. Both work perfectly.
Assign it to your team and they will slot it around their schedules without disrupting the work, one of the main reasons Irish employers return to Online Safety Courses year after year.
There is no waiting around. Pass the assessment and the digital legionella training certificate is generated on the spot, aligned with Irish legislation and recognised across Ireland, the UK and Europe.
It lives permanently in your account for re-download during audits, insurance renewals, tenancy handovers and job applications, and its unique verification code lets anyone confirm it instantly.
For duty holders, every certificate is dated proof that the people running your water systems are trained and competent, exactly what matters if an inspector or an insurer ever asks.
Every module comes from licensed, Chartered (CMIOSH) consultants working with current Irish health and safety law and Health and Safety Authority guidance.
That experience shows: the science of legionella explained through recognisable water systems, the risk assessment taught with the situations duty holders actually meet, from old calorifiers to vacant properties, and the control measures presented the way they actually work on an Irish premises, never as abstract theory. Practical judgement runs through every lesson.
Content is re-reviewed against current legislation and the Code of Practice for the Prevention and Control of Legionellosis, so the course never drifts out of date.
The platform never closes, which matters when the work never really does either. Start the legionella training after a shift, continue at lunch the next day and finish on a day off, whatever rhythm your week allows.
Progress syncs across every device automatically, so switching from phone to laptop mid module is seamless. Night staff, part timers and weekend crews get exactly the same premium experience.
Teams can also reopen the risk assessment module before an audit or the control measures module when a system changes, turning the legionella course into a living reference rather than a one time event.
Online Safety Courses has certified more than 749,500 learners across Ireland, the UK and Europe, with a 98% pass rate and a 4.9 star average from verified Google reviews we cannot edit or hide.
From Dublin to Cork, Galway to Limerick and Waterford to Belfast, our legionella training helps Irish premises stay compliant and keeps the people who use them safe from Legionnaires' disease.
Employers come back because it simply works: clean records, instant certificates and a support team that answers.
Every organisation and person in control of premises with water systems, because the law places the duty squarely on whoever controls the risk. Under the Safety, Health and Welfare at Work Act 2005 and the Chemical Agents Regulations 2001, duty holders must assess and control hazards such as legionella, and the Code of Practice for the Prevention and Control of Legionellosis names trained, competent people as the way it is done. Waiting until someone falls ill is the one strategy the law does not forgive.
In practice, the people taking this course with us are facilities and maintenance managers, landlords and letting agents, hotel and leisure teams with spa pools and showers, care home and school managers, gym owners, and the employers and building owners responsible for them.
If your premises has water systems that people use or that can release water droplets into the air, this training is for you, and our Irish support team can help roll it out across every location.
How legionella bacteria grow in water systems, how people become ill and the checks that keep a building safe.
Water that sits in a pipe warms to room temperature and loses any disinfectant, which is what legionella needs. An outlet that is rarely used, a shower in an empty bedroom, a tap in a closed wing, an outside tap, holds a column of stagnant water that seeds the rest of the system.
A building that has been closed or partly empty is flushed through, and where necessary disinfected, before it is brought back into use.
A dead leg is a length of pipe through which water does not flow: a branch that was capped off when an appliance was removed, or one that leads to an outlet nobody uses. The water inside is stagnant, sits at room temperature and grows a biofilm in which legionella multiplies and from which it spreads into the live system.
Dead legs are found by tracing the pipework against the drawings, and they are removed by cutting the branch back as close as possible to the pipe it leaves. Where an outlet must stay, it joins the weekly flushing list. Alterations to a water system should always end with a check that no dead leg has been left behind.
Temperature control is the main defence in ordinary hot and cold water systems. Hot water is stored at 60°C or above and reaches at least 50°C at the outlets within one minute of running, or 55°C in healthcare premises. Cold water is stored and delivered below 20°C, within two minutes of running. Where water this hot could scald, thermostatic mixing valves are fitted close to the outlet.
The bacteria need four things: water between 20°C and 45°C, stagnation, nutrients such as scale, rust, sludge and biofilm, and a way of forming an aerosol. A system that offers all four is a risk. Removing any one of them reduces it.
People are infected by inhaling fine droplets of contaminated water.
The bacteria multiply in lukewarm, stagnant water with scale, rust or slime to feed on.
Keep hot water hot, cold water cold and all of it flowing.
The accredited Legionella Course covers where legionella grows, how people are infected and how water systems are kept safe, in about an hour online, with a CPD certified certificate the moment you pass.
The same accredited online course with instant certificate, wherever you are in the country:
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