Help ensure water safety in your community Bacteria Risk
Legionnaires’ disease is a form of pneumonia that can result from exposure to Legionella bacteria. Breathing in aerosolized water – like steam from a shower or bath – can transmit the bacteria to humans.
Legionella pneumophila – the bacteria that causes Legionnaires’ disease – can live in your hot water system.1 your residents.
And that poses a risk to Scald Risk
of exposure. The elderly are particularly susceptible to this danger due to limited mobility and skin integrity.
Disinfection Range
Legionella can survive but do not multiply
Legionella Growth Range
68°F
176°F 158°F
150°F Serious Scald Risk 122°F 112°F
Maximum recommended shower temperature for residents
Community Challenge
There is no single temperature setting that completely eliminates both risks – your water heater will either be set too cold, creating a bacteria risk, or too hot, creating a scald risk.
The only real solution requires a two-pronged approach.
Solution
Set your hot water heaters to maintain a water temperature inhibit bacteria growth.
installing a mixing valve and the appropriate checks. This helps ensure the dispensed water is at a safe temperature for your residents.
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Legionella and the prevention of legionellosis
E268 Catalog 11210PR
Direct Supply's scald prevention system lets you easily add the right components so you can confidently protect your residents from both risks. See the following pages for more details on a complete scald prevention system.
