Wide range temperature control with special air coil sensing element and adjustable mounting flange. SPDT snap switch, unaffected by barometric pressure of cross ambient temperatures. Flat flange mounting with special coil permits positioning the sensing bulb in the appropriate portion of the air stream. Applications: These duct thermostats are used on roof top units, make-up heaters, duct heaters and air handling systems of all types. Part# Stages Switch Range Diff. Electrical Ratings A19EAF-1C 1 SPDT 60 - 130OF 2OF 6A/120-3A/240 16 - 54OC 1.1OC