Allen-Bradley 837-A3JX603X171 Style A Remote Bulb and Capillary Temperature Control Switch, 25 to 125 deg F, SPDT, 125 VAC, 24 to 250 VDC

Bulletin 837 electromechanical temperature controls family of condition sensing products includes rugged, industrial grade temperature controls. These devices use vapor pressure technology to sense changes in temperature. Typical repeat accuracy is +/-2 deg F.