Chromalox STW51-6P Thermwire Self-Regulating Heat Trace Cable — 6′ Cord Set (393369)

The Chromalox STW51-6P Thermwire heat trace cable (part 393369) is a factory-terminated, self-regulating heating cable with a 6′ power cord and plug set. Engineered for reliable freeze protection on metal and plastic pipes (up to 2.5″ diameter), it features:

• Self-regulating polymer core that varies output to prevent hotspots

• 5 watts per foot output at 50 °F

• Parallel construction allowing field cuts and single overlap without overheating 

• Pre-installed 6′ cord set and end seal for easy plug-and-play installation 

• UL / CSA listings and compatibility with Chromalox accessories to maintain code compliance 

• Ideal applications: pipe freeze protection, roof & gutter de-icing, water line tracing, automatic waterer heating, drain line protection 

This cable delivers safe, energy-efficient heating where freeze damage can be a concern. It’s a dependable choice for residential, commercial, and agricultural installations needing robust pipe trace protection.