More Heating Configurations. The Lincoln Electric® Thermal Wave™ Extension Box (K5671-1) is an interface box for the Thermal Wave Induction Heater that increases application flexibility by providing additional connections for heating accessories. It expands heating cable configuration options for effective heat placement, supporting up to 164 ft (50 m) of heating cable using two cables. Additional equipment and heating accessories required.
Availability: Pre-orders open October 29, 2026. Target ship date is within 60 days, with the official launch in late December 2026.
Features
- Dual Accessory Capability - Allows two heating accessories to be used simultaneously.
- Broad Compatibility - Compatible with all Thermal Wave heating cables and Quick Wraps.
- Extended Cable Length - Supports up to 164 ft (50 m) of heating cable length using two cables.
- Compact Design - Compact and easy to set up.
- Built to Last - Rugged IP33-rated construction.
- Warranty - 2-year standard warranty from Lincoln Electric.