Sioux Chief 665x3b100 Pex-b Tubing 3/4 in 100 Ft Blue

Product Description

The SIOUX CHIEF 665x3b100 is a 3/4-inch PEX-B (crosslinked polyethylene, Type B) potable water tubing coil, 100 feet in length, supplied in blue for cold-water line identification. Manufactured to ASTM F876 and ASTM F877 standards, this SDR-9 tubing is engineered for residential and commercial hot and cold potable water distribution systems. It is also approved for select non-potable system applications where crosslinked polyethylene tubing is permitted. Licensed plumbers and pipefitters are the primary installers. The blue color coding supports standard trade practice for cold-water branch and main lines.

This tubing is suited for new construction and retrofit plumbing applications where flexible, coiled PEX tubing simplifies routing through walls, floors, and framing cavities. The 100-foot coil format reduces fitting count on long runs and works with ASTM-approved connection systems including crimp, clamp, and expansion-style fittings rated for CTS dimensions. It is appropriate for residential potable water distribution, manifold-based home-run systems, and parallel plumbing configurations commonly specified in modern construction.

Key Features

• PEX-B crosslinked polyethylene construction meets ASTM F876 and ASTM F877 standards
• SDR-9 wall thickness for consistent pressure performance across the tubing diameter
• 3/4-inch CTS sizing compatible with standard ASTM-approved crimp, clamp, and expansion fittings
• Blue color coding for cold-water line identification per trade convention
• 100-foot coil format reduces joints on long runs and simplifies installation routing
• Made in America

Compatibility

Designed for use with ASTM-approved connection systems compatible with 3/4-inch CTS PEX-B tubing, including crimp, clamp, and expansion-style fittings. Suitable for hot and cold potable water distribution and approved non-potable system applications.

Installation Notes

Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Shut off the water supply and relieve system pressure before making any connections. Use only ASTM-rated fittings and the manufacturer-specified tooling for the chosen connection method to ensure a leak-free joint. Avoid kinking the tubing during uncoiling and observe minimum bend-radius requirements for the pipe diameter.

Technical Specifications

• Tubing Type: PEX-B (Crosslinked Polyethylene, Type B)
• Diameter: 3/4 inch CTS
• Length: 100 feet
• Color: Blue
• Wall Thickness Standard: SDR-9
• Standards: ASTM F876, ASTM F877
• Country of Origin: USA

Standard Information

• Brand: SIOUX CHIEF
• Manufacturer Part Number: 665x3b100