Pipe Tee 1-1/2" FIP x 1-1/2" FIP x 1-1/2" FIP Galvanized - STZ 311UT-112 The STZ Industries 311UT-112 is a full-size galvanized malleable iron tee fitting designed for reliable performance in gas, air, and LP piping systems. Featuring three 1-1/2 inch female iron pipe (FIP) connections, this tee provides a secure, leak-resistant joint for residential and light commercial installations. Constructed from high-strength malleable iron and fully galvanized for corrosion resistance, it ensures long-term durability in demanding environments. Each fitting is 100% pressure tested at the factory to meet strict quality standards, with a maximum pressure rating of 300 psi and a temperature limit of 150 F. The lead-free composition complies with safety regulations for use in gas and air applications where low lead content is required. Its uniform 1-1/2 inch diameter on all three ports allows for straightforward branching in straight-run piping setups, making it ideal for natural gas distribution, compressed air lines, and propane system modifications. Packaged individually in a protective bag, this fitting is easy to handle and store while maintaining surface integrity. Designed for use with standard pipe sealants and tape, it installs efficiently using common plumbing tools. As part of the STZ Industries line, the 311UT-112 delivers consistent threading and dimensional accuracy for dependable, professional-grade results. Features - Three 1-1/2 inch FIP connections for full port branching - Made from malleable iron for strength and reliability - Fully galvanized finish resists rust and corrosion - Lead-free construction meets regulatory requirements - Rated for up to 300 psi maximum pressure - Suitable for gas, air, and LP applications - Temperature rated up to 150 F - Factory pressure tested for quality assurance - Bagged packaging for protection and retail readiness - Ideal for residential and light commercial plumbing and gas systems Specifications - Brand Name: STZ Industries - Model Name: STZ Industries 311UT-112 - Part Number: 311UT-112 - UPC: 019442149116 - Alternative UPC: 019442296650, 032888405424, 082901478317 - Product Type: Tee - Material: Malleable Iron - Finish: Galvanized - End 1 Diameter: 1-1/2 inch - End 1 Type: FIP each - End 2 Diameter: 1-1/2 inch - End 2 Type: FIP - End 3 Diameter: 1-1/2 inch - End 3 Type: FIP - Maximum Pressure: 300 psi - Maximum Temperature: 150 F - Average Lead Content: Lead-Free - Packaging Type: Bagged - Number of Items: 1 - Item Weight: 1.690 lbs - Suggested Users: Unisex-Adult - Manufacturer: STZ Industries - Country of Origin: United States Product Application The STZ Industries 311UT-112 galvanized malleable iron tee is engineered for use in residential gas, air, and LP piping systems requiring a durable, code-compliant branching solution. Commonly installed in natural gas line extensions, compressor setups, and propane appliance hookups, this tee supports safe and efficient flow distribution. Its robust construction and precise threading make it a trusted choice for licensed plumbers, HVAC technicians, and experienced DIYers working on pressurized fuel and air delivery systems.