To limit the probability that inappropriate devices or disposable parts will be installed on potable water treatment systems, which could lead to the failure of such devices and parts, which could lead to the bursting of large water treatment units, which could lead to falling system components or spillage of contents, which could lead to harm to persons.
To limit the probability that inappropriate devices or disposable parts will be installed on potable water treatment systems, will lead to intrusion of substances into the potable water system, which could lead to corrosion, which could lead to the perforation of pipes and fittings, which could lead to leakage of contaminated water, which could lead to harm to persons.