The United Association of Journeymen & Apprentices of the Plumbing & PipeFitting Industry of the US & Canada, Local 170 represents approximately 4,000 apprentices and journeypersons in British Columbia working in the Red Seal trades of: Plumber, Steamfitter/Pipefitter, Sprinkler-fitter, Gasfitter A and B, Instrumentation & Control Technicians, and Welders.