Eff 103176-lf Brass Pex Coupling 1 in Pex X 3/4 in Pex

Product Description

The EFF 103176-lf is a brass PEX coupling fitting designed for connecting two sections of PEX tubing in residential and commercial plumbing systems. This fitting creates a reliable, leak-resistant joint between a 1-inch PEX line and a 3/4-inch PEX line, making it a practical solution for reducing or transitioning between two common PEX pipe sizes. Plumbers and pipefitters rely on fittings like this when running water supply lines, radiant heating systems, and hydronic distribution networks where pipe size changes are needed along a run. The all-brass construction gives this coupling strong resistance to corrosion, high water pressure, and the temperature swings common in both hot and cold water applications. Brass fittings are a trusted choice in professional plumbing work because they hold up over time in both potable water and closed-loop heating systems. The lead-free designation on this fitting meets current standards for use in drinking water systems, making it compliant with regulations governing potable water contact materials. PEX-to-PEX couplings like the 103176-lf are used during new construction, remodel work, and repair jobs where existing PEX lines need to be joined or where a broken section of pipe must be replaced. The fitting works with standard PEX crimp or clamp rings and compatible tools, keeping installation straightforward for any experienced plumber. Having the right brass reducer coupling on hand saves time on the job and ensures a solid, long-lasting connection in any PEX plumbing system.

• Connects 1-inch PEX to 3/4-inch PEX for in-line pipe size transitions
• All-brass, lead-free construction for use in potable water and hydronic systems
• Compatible with standard PEX crimp and clamp installation methods

Product Highlights

The EFF 103176-lf brass PEX coupling provides a durable, lead-free connection between 1-inch and 3/4-inch PEX lines, making it a reliable choice for professional plumbing installations requiring a pipe size reduction.

Product Information

Standard Information

• Brand: EFF
• Manufacturer Part Number: 103176-lf

Technical Specifications

• Fitting Type: Coupling
• Connection Size 1: 1 inches PEX
• Connection Size 2: 3/4 inches PEX
• Connection Type 1: PEX
• Connection Type 2: PEX
• Material Construction: Brass
• Material: Brass