Water back : See under 1st Back.

Example:


Taxonomy
Robert, M. Zeller, Flow Service, Water Back, Back Flow, backflow prevention devices, backflow device, service, Testing Service, utility company, CROSS-CONNECTION CONTROL PROGRAM, Installation Testing, State Certification, F07, Florida Rule, certified tester, water utility, company.

Defination from the web:
Water Back Flow Service specializing in the installation, testing & service of backflow prevention devices. The water backflow device that is required by Florida Rule #62-555 located on your property belongs to you. ...