The TF115 thermostat is designed for use as an ambient sensing control for pipes, roof gutter or other types of electric heat tracing applications. Suitable in agricultural, industrial and commercial environments. For use in non-classified areas. The TF115 use for Single Speed Fan Temperature Control, Designed especially for building ventilation systems. Wide temperature range with narrow operating differential. Available in code approved moisture-proof enclosure. One-speed heating or cooling with stainless steel sensor.