assemblies. (A Backflow Assembly Tester certification is required to test assemblies.) Test fire systems and maintain test..., and other related duties. Clear plumbing stoppages and repairs fitting and line breaks and leaks. Cut and thread pipe and perform...
City of Seattleassemblies. (A Backflow Assembly Tester certification is required to test assemblies.) Test fire systems and maintain test..., and other related duties. Clear plumbing stoppages and repairs fitting and line breaks and leaks. Cut and thread pipe and perform...
City of Seattle