Electronic Temperature Control & Bulb Well Assembly (AC) is designed with heating or cooling modes of operation, adjustable differential, and an interchangeable temperature sensor. The control couples electronic accuracy with remote sensing capability in a NEMA 1 high-impact plastic enclosure suitable for surface or DIN-rail mounting. This is a line voltage single-stage electronic temperature control with single-pole, double-throw relay output and LED indication. Refer to Brochure for Sizing and/or Part Numbers.