Securely connect copper tubes with the Viega ProPress copper tee. Designed for use with ASTM B88 and B75 copper tubing, this tee features 1 in. press connections to combine or divide fluid flow.Press connections make installing this copper tee quick and efficient. Unlike traditional pipe fittings, there's no need for calibration, flame or heavy equipment. Instead, Viega ProPress tees install in just four easy steps: cut the copper tube to length, remove any burrs and surface imperfections, measure and mark the fitting insertion depth, and use a press tool to connect the Viega ProPress tee for a secure connection. Smart Connect technology identifies unpressed connections during pressure testing to ensure proper connections the first time and eliminate callbacks. Approved to the most codes and standards of any other copper press fitting system (IPC, UPC and NSF included), and with more than 400 different fitting configurations to suit virtually any type of plumbing or HVAC job, Viega ProPress tees are the top choice of professionals around the globe.