True or False: The vent hose on a differential test kit is used to bypass the Backflow device so water service is uninterrupted during testing.

The statement regarding the vent hose on a differential test kit is false. The vent hose serves a critical role in ensuring accurate measurements during the testing of backflow prevention devices, specifically by allowing air to enter the test kit without disrupting the water service. This prevents the creation of a vacuum that could interfere with the test results.

Using the vent hose allows for the proper functioning of the differential test gauge, enabling accurate readings of the pressures on either side of the backflow device. It is important to note that the vent hose is not designed to bypass the backflow device; bypassing would require additional measures that could compromise the system's integrity. Therefore, maintaining proper testing protocol that includes the use of the vent hose is essential for effective backflow prevention device evaluation.