Glossary
Sentinel outlet
The outlets chosen to represent the worst-case temperatures on a water circuit: typically the nearest and furthest taps from a calorifier on the hot side, and the nearest tap to the storage tank plus the furthest one on the cold side. They are checked routinely (commonly monthly) so a problem with hot water staying hot and cold water staying cold shows up early.
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"Sentinel outlet, Legionella glossary." Legionella.io. https://legionella.io/glossary/sentinel-outlet/
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