The NIBCO 1 in. Copper X 3/4 in. D FPT Copper Pipe Adapter is engineered to create a reliable, leak‑free transition from a 1 inch copper pipe to a 3/4 inch female pipe thread. Constructed from lead‑free copper, this adapter delivers durable performance for both above‑ground and underground installations, making it a dependable choice for potable water runs and irrigation systems alike.
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Connection details: End 1 supports 1 in. copper tubing; End 2 provides a 3/4 in. FPT (female pipe thread) to mate with standard 3/4 in. threaded fittings.
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Material: Lead‑free copper for safe, long‑lasting plumbing connections.
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Durability: Underground rated, designed to withstand buried installations without compromising performance.
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Specifications: Maximum working pressure of 494 psi, packaged as a single, bagged unit.
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Brand & packaging: NIBCO, 1 piece per package, ready to install straight from the bag.
Who should consider this adapter? Homeowners and professional plumbers installing copper piping who need to connect a 1 inch copper line to a 3/4 inch threaded fitting without compromising water quality or system integrity. It’s ideal for underground water lines, outdoor spigot connections, and retrofit projects where copper pipe needs to interface with standard threaded components.
Why choose this copper pipe adapter over other options? The lead-free copper construction aligns with potable water standards, and the 1 in. to 3/4 in. FPT configuration provides a precise, secure transition that minimizes leak points. With its underground rating, you gain confidence for buried sections of your project, reducing the need for future replacements or upgrades.
Pro tips for installation: ensure the threaded end is clean and free of debris; use appropriate thread sealant or PTFE tape on the 3/4 in. FPT end when connecting to male threaded fittings, and verify that the copper end interfaces snugly with your 1 in. copper tubing or matching fitting. If you’re working on a complex or critical system, consider routing water flow to minimize stress on the joint and consult local plumbing codes for underground installations.
