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The NIBCO px00618c is a 1-inch PEX crimp-style 90-degree elbow fitting manufactured to the ASTM F1807 standard. It is designed for use in potable water supply and hydronic heating systems where a directional change is required in the PEX tubing run. The F1807 standard governs metal insert fittings for use with crosslinked polyethylene (PEX) tubing, and this fitting is constructed of SSC poly PEX-compatible material. Licensed plumbers and pipefitters install this type of fitting during rough-in or repair work on residential and light commercial water distribution systems.
This elbow fitting is suited for residential and light commercial plumbing applications where PEX tubing is used for hot and cold water supply lines. It is installed using a PEX crimp tool with the appropriate crimp ring per the F1807 specification. The 90-degree angle makes it appropriate for tight directional transitions within wall cavities, floor joists, and mechanical chases. No compatible model numbers or system families were specified in the product data beyond the F1807 standard designation.
Designed as an F1807-compliant crimp-style replacement or new-installation fitting for 1-inch PEX tubing systems in residential and light commercial water supply applications.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the IPC. Shut off the water supply and depressurize the line before cutting into any existing PEX run. Use a calibrated F1807-compatible PEX crimp tool and the correct copper crimp ring size to secure the fitting. Inspect the crimp ring with a go/no-go gauge after installation to confirm a proper seal.
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