Back

Local 669 Sprinkler Fitters

About US


Local 669 is America's Fire Protection Union. We are a Sprinkler Fitter Road Local with jurisdiction in 48 States to include all of Arizona. We have been around since 1915 and have 15,000 members and will have 17,000 members within the next couple of years.


Sprinkler Fitters are responsible for the installation, testing, inspection, maintaining and repair of Automated Fire Protection Systems. There are over 2,000 different types of sprinkler heads, 90% of what we put in are water systems, but we also install foam, nitrogen, and antifreeze systems. We work with 8-inch pipe and most of our work is overhead. From a 3-foot ladder to 200 feet in the air, we are installing pipe!


You will join our team and become an apprentice. Our five year "earn while you learn;" program includes 10.000 hours of on-the-job training and 1,200 hours of technical instruction. You will work on the job in addition to taking 19 courses online and going to sprinkler fitter school 18 times per year. The training takes place in Phoenix. Every Six months you will advance and get approximately a $2.00 hour pay increase.

Sep 11, 2025
Full time
Sprinkler Fitter - Chandler Arizona
Local 669 Sprinkler Fitters Chandler, AZ, USA
The United Association’s Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee (JATC) is currently accepting applications for our apprenticeship program throughout the United States. The Apprenticeship Program is a five-year program with on the job training and a 19 Course correspondence through a nationally recognized college. Once you have entered the Apprenticeship Program and have completed your six-month probationary period you will become a member of Local 669. We encourage all to apply! Nature of the Work The principle function of a sprinkler fitter is the installation of fire protection systems. This includes: Underground supply piping, which is connected to an integrated overhead piping system for suppression of fire. Safety is first and foremost; therefore you will be trained in the care and proper use of tools and equipment associated with fire sprinkler installations. Wage and Benefits The apprentice will receive an appropriate...
Sep 11, 2025
Full time
Sprinkler Fitter - Phoenix Arizona
Local 669 Sprinkler Fitters Phoenix, AZ, USA
The United Association’s Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee (JATC) is currently accepting applications for our apprenticeship program throughout the United States. The Apprenticeship Program is a five-year program with on the job training and a 19 Course correspondence through a nationally recognized college. Once you have entered the Apprenticeship Program and have completed your six-month probationary period you will become a member of Local 669. We encourage all to apply! Nature of the Work The principle function of a sprinkler fitter is the installation of fire protection systems. This includes: Underground supply piping, which is connected to an integrated overhead piping system for suppression of fire. Safety is first and foremost; therefore you will be trained in the care and proper use of tools and equipment associated with fire sprinkler installations. Wage and Benefits The apprentice will receive an appropriate...