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Why do cross connection devices need to be tested yearly?

April 26, 2017connection cross Devices tested

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Why do cross connection devices need to be tested yearly?

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Cross connection devices are mechanical devices that have internal seals, springs and moving parts that are subject to being plugged by grit, fouling and wear. Therefore, these devices require annual inspection, maintenance, and testing. Cross connection devices can only be tested by a BCWWA certified cross connection tester.