Professionals Find the Problem. Parts Changers Just Swap It Out.
The Diagnose Before You Replace tee was built for the technicians, electricians, HVAC professionals, controls specialists, mechanics, and skilled tradesmen who believe troubleshooting always comes before replacing.
Whether you’re tracking down an intermittent electrical fault, diagnosing a BAS network issue, chasing airflow problems, or solving equipment failures — you know the difference between guessing and knowing.
Why You'll Live In It
Heavyweight 6.1 oz/yd² ring-spun cotton — built for long days and late-night service calls
Garment-dyed finish — unique broken-in look, right out of the bag
Relaxed fit — room to move on the job or off it
Double-needle stitching on collar, armholes, sleeves, and hem
Twill-taped neck and shoulders for extra durability
Available in Black, Graphite, and Sage — S through 4XL
Don’t replace it. Diagnose it.
100% ring-spun cotton. Blank product sourced from Honduras.
