NIBCO INC. announced that it has filled out its line of hydronic heating press-connect fittings, including two types of elbows and a fin tube stiffener. The additions include forged bronze vent elbows, a wrot copper extended elbow and a wrot copper fin tube stiffener. All of the products are lead-free. The PC-705-D forged bronze Press x Press 90° vent elbows are available in ½-inch and ¾-inch sizes. The vent elbows have been specifically designed for use in hydronic heat applications. They comply with the performance standards of ASME B16.51 and are third-party certified to UPC and PS-117. The elbows have an operating pressure 200 PSI and a temperature range -20°F to 250°F. The PC607E-2 wrot copper 6-inch extended elbow comes in a ¾-inch Fitting x Press connection on a 90° elbow. The extended elbow has been specifically designed for use in heating applications to provide a clean transition through the floor or wall. The elbows have an operating pressure 200 PSI and a temperature range -20°F to 250°F.