1/2" x 20' PEX Ultra Water Tube Coil, Red (Installation by Non-Professional may void Viega's LLC limited warranty)

Viega 33120 – 1/2" x 20' PEX Ultra Coil for Potable Water and Hydronic Applications The Viega 33120 PEX Ultra Coil is a 1/2" nominal PEX tubing product designed for use in potable water distribution and hydronic heating systems. Supplied in a 20-foot coil, this cross-linked polyethylene tubing offers flexibility, chemical resistance, and thermal stability suitable for both residential and light commercial installations. Manufactured to meet ASTM F876 and F877 requirements, this tubing is compatible with standard cold expansion (ASTM F1960) and crimp-style (ASTM F1807/F2159) fittings. Rated for up to 200°F and 160 psi, the Viega PEX Ultra line is approved for use in hot and cold water plumbing as well as closed-loop heating systems. Key Specifications: Nominal Size: 1/2" Outer Diameter: 0.625" Wall Thickness: Approximately 0.070" Length: 20 feet (coil) Material: PEX (cross-linked polyethylene, ASTM F876) Pressure Rating: 160 psi at 73°F, 100 psi at 180°F, 80 psi at 200°F Temperature Range: Up to 200°F Standards Compliance: ASTM F876/F877; NSF 14, NSF 61, and CSA B137.5 certified for potable water use Chlorine Resistance: Rated for continuous recirculation systems per NSF P171 Manufacturing Origin: U.S.A. Warranty: 2-Year Limited Manufacturer Warranty Application Notes: Use Cases: Suitable for domestic water service, branch lines, and radiant floor heating circuits. Joining Methods: Compatible with approved cold-expansion PEX and copper crimp ring systems. Handling: The coil format allows for quick layout in confined or irregular routing spaces; flexibility reduces the number of required fittings. Resistance: Designed to resist corrosion, pitting, scaling, and dezincification. Installation Requirements: Follow manufacturer-recommended installation guidelines and local plumbing codes. Proper support spacing, bend radius, and fitting selection must be observed. Use with Viega or third-party fittings and tools that are compliant with the relevant ASTM connection standards.