EPHUM24 Low voltage humidistat for use with Ecor Pro models DSR20, DSR12 & LD800 only You set the humidity level of the enviroment you want to dry by a simple dial. For instance 70% is a high relatively humidity (damp) while for instance a setting of 40% can be considered a relatively low humidity level. Connect to Ecor Pro unit through 2 low voltage wires (wire not provided). DSR models are supplied with a jack pluck that can be soldered to the wire while LD800 unit connects via screw terminals.   Please note tollerance factor on the humidistat can be up to +/- 5% to that of the value shown on the control dial.