3/8" Full Circle Crimp Tool, Compact (Installation by Non-Professional may void Viega's LLC limited warranty)

Viega 41703 – 3/8" Full Circle Crimp Tool for PureFlow PEX Systems

The Viega 41703 Full Circle Crimp Tool is specifically designed for installing 3/8" PureFlow PEX fittings using copper crimp ring connections. This manual tool delivers consistent 360° compression around the crimp ring, ensuring secure, code-compliant connections in potable water and hydronic heating systems.

Engineered for long-term durability and ease of use in confined spaces, this compact crimp tool is part of Viega’s line of mechanical connection tools for PEX installations. The fixed-jaw head is factory-calibrated for 3/8" copper crimp rings and does not require field adjustment. Handles are color-coded for easy size identification.

Key Features

• Crimp Size: 3/8 inch nominal PEX connections using copper rings
• Full-Circle Jaw Design: Ensures uniform compression and leak-tight seals
• Compact Profile: Ideal for tight-space installations in residential and light commercial systems
• Color-Coded Handles: Quickly identify tool size on the jobsite
• No Heat or Chemicals: Mechanical joining method eliminates need for solder, adhesives, or open flame
• Tool Body: Hardened steel construction with ergonomic grips

Technical Specifications

• Compatible Pipe: PEX tubing per ASTM F1807 standard
• Connection Method: Mechanical copper ring crimp
• Tool Size: 3/8"
• Weight: Approx. 1.5 lb
• Applications: Potable water, radiant heating, and hydronic distribution

Usage Guidelines

Use with ASTM F1807 PEX fittings and copper crimp rings only. Always verify ring placement and crimp integrity using a calibrated crimp gauge. This tool is designed for repeated daily use in rough-in and finish plumbing phases. Follow local plumbing codes and manufacturer specifications for all PEX system installations.