Turn the dial to control the percentage of time that these heaters cycle on, from 5% to 100%. Commonly used to thaw pipes, prevent valves from freezing, and heat beakers and flasks in labs, they're good for temporary and occasional use where rapid heating is required but precise temperature control is not.

These heaters require a separate temperature switch or controller to regulate heat output.

Wrap the flexible fiber heating element around small-diameter pipes and tubes or pack it into tight spaces.

These heaters require a power-connection kit.

Rated for a maximum heat output of 900° F, these heaters are often used for thawing frozen pipes and rapid spot heating.

Also known as foil heaters, these bend around corners and edges without causing damage to the heating element.