Nibco has filled out its line of press-contact wrot copper fittings with the addition of 10 new fittings in a variety of configurations. The PC611 press tee line additions comprise nine new configurations. Nibco has also added the PC612 – a ¾” press x press x females thread fitting in wrot copper – which is suitable for potable water, hot or chilled HVAC and process applications. The fittings may also be installed underground. The Nibco leak detection system identifies uncrimped connections during testing. When properly crimped, a unique “N” witness mark is clearly visible.