Meet the STZ Industries 3 in. FIP x 3 in. FIP x 3 in. FIP Black Malleable Iron Tee — a rugged, lead-free three-way plumbing fitting that delivers dependable flow distribution in demanding environments. Crafted from durable malleable iron and finished in a protective black coating, this fitting is built to withstand daily use in residential, commercial, and industrial water systems.
Key advantages
- Three 3 in. FIP ends on a single tee provide straightforward, leak-safe branching for standard 3" pipe with female threads
- Lead-free construction for safer potable-water installations
- Heavy-duty malleable iron body offers exceptional strength with easier machining for long service life
- Black finish delivers a rugged, corrosion-resistant surface suitable for indoor applications and some outdoor environments
- Pressure rating up to 300 and temperature rating up to 150, enabling reliable performance across typical home and light commercial systems
- Bagged packaging helps keep connections clean and ready for installation
Ideal use cases
Use this 3-way tee to create a reliable branch from a main supply line without welding or soldering. It’s ideal for routing water to additional fixtures, forming irrigation manifolds, or distributing flow to secondary lines in both new installations and upgrades. Its standard FIP threads allow quick removal for maintenance or reconfiguration, making it a practical choice for service calls and modular piping layouts.
Installation tips
- Clean threads and apply appropriate sealant (pipe thread tape or pipe joint compound) before assembly
- Tighten to the manufacturer’s recommended torque and avoid overtightening to protect thread integrity
- Check for leaks after the system is pressurized and re-tighten as needed after settling
Specifications
- End connections: three 3 in. FIP (Female Iron Pipe) ends
- Material: Malleable iron
- Finish: Black
- Lead content: Lead-free
- Maximum pressure: 300
- Maximum temperature: 150
- Packaging: Bagged
- Product type: Tee
