L3B-15 - Bernard L3B-15 Conventional Liner .035-.045 15ft

Smooth Feeding for Consistent Welds

Nothing ruins a weld bead faster than a stuttering wire feed. If you are experiencing erratic arc performance, burnback, or the dreaded birdnest at the drive rolls, your liner is often the culprit. The Bernard L3B-15 Liner Assembly is built to solve these problems and keep you welding. Made from premium high-carbon music wire, this liner is tougher and smoother than standard replacements. It is designed to handle the daily grind of industrial welding, resisting kinks and maintaining its shape even when you have to bend the cable around corners or over fixtures.

This 15-foot liner is sized perfectly for the most common wire sizes in the shop: .035" and .045". Whether you are running solid steel wire or flux-cored wire, the L3B-15 provides a low-friction path that ensures the wire hits the contact tip at a consistent speed. The "non-gapping" coil design is a standout feature; it means the liner springs won't open up when you bend the gun, preventing the wire from shaving or snagging inside the cable. This results in less downtime for cleaning and fewer rejected parts.

Installation is straightforward for anyone familiar with Bernard guns. It fits a wide range of models, including the classic Q-Guns and the newer BTB series. If your current liner is clogged with debris or has developed a kink, swapping it out for a fresh L3B-15 is one of the cheapest and most effective ways to restore your welder's performance to like-new condition. Keep a spare in your toolbox to ensure you are never stuck waiting on parts when a deadline is looming.