Pentair Thermal Management tubing bundles are small diameter pre-traced and pre-insulated tubing bundles designed to maintain freeze protection, close temperature tolerances, or viscosity control. These tubing bundles provide alternatives to field tracing and insulating electric heating cables. They provide an excellent means of maintaining very long, continuous lengths of impulse lines and piping at consistent temperatures end-to-end. These tubing bundles are used when the maintain temperature ranges from 10°C (50°F) to 121°C (250°F). Utilizing Raychem self-regulating heater technology, this system will lower its heat output as the process tube gets warmer. Raychem RTB tubing bundles are available in a wide range of tubing, heater options and configurations.