Quest DEH 3000R remote wall mounted digital control for Quest ventilating dehumidifiers. Features fan/filter operation and programmable ventilation timer. It has a large, easy-to-read, backlit LCD display. The DEH 3000R has high temperature cut-out, a dry cycle timer and auto reboot feature. Works with Quest Dual 105, 155, 165, 185, 205, 225 and 506 (#700819, #700818, #700811, #700821, #700831, #700811 and #700950). If you daisy chain the #700950 units, we recommend only daisy chaining two units at a time when using the #700833 humidistat).