- New
741-937 by Bismar is a tee union fitting designed for compatible 3/8-inch tubing. Its T-shaped configuration allows three tube connections to meet at a single junction, making it suitable for installations that require a branching connection. Before installation, verify the tubing dimensions, connection method and intended application against the manufacturer’s specifications. For propane or gas systems, ensure the fitting is approved for the specific system and installed according to applicable requirements.