Lincoln Electric 331755 Lead Free Sterling Solder

Product Description

The LINCOLN ELECTRIC 331755 is a lead free sterling solder designed for use in plumbing and mechanical joining applications where lead-free materials are required by code. This solder meets the demands of licensed plumbers and trade professionals working on potable water systems, HVAC connections, and copper tubing assemblies. The lead-free formulation ensures compliance with health and safety standards for drinking water installations, making it a standard-specification choice for residential and light commercial service work.

This solder is suited for sweat-soldering copper pipe and fittings in potable water supply lines, hydronic heating systems, and general plumbing rough-in and service work. It is appropriate for both residential and light commercial installations where lead-free solder is mandated by local plumbing codes and health regulations.

Key Features

• Lead-free formulation meets code requirements for potable water systems
• Designed for use on copper pipe and fitting joints
• Suitable for plumbing, HVAC, and mechanical joining applications
• Sterling-grade alloy composition for reliable joint formation

Compatibility

Designed as an OEM-style replacement and general-use solder for copper pipe and fitting assemblies in residential and commercial plumbing and HVAC systems.

Installation Notes

Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Shut off and drain the water supply before soldering any pipe section. Use appropriate flux, a clean pipe surface, and a propane or MAP gas torch; allow joints to cool completely before restoring pressure. Follow all applicable safety guidelines for handling and storing solder materials.

Technical Specifications

• Solder Type: Lead Free Sterling

Standard Information

• Brand: LINCOLN ELECTRIC
• Manufacturer Part Number: 331755