iGS Day & Night Temperature Control W Display (IGS-020R) REMOTE DAY&NIGHT TE The iGS-020 temperature controller will operate your heating or cooling equipment in accordance to user day and night set points. The ambient temperature is displayed on the luminous bar graph. The precision temperature sensor (1C) can be calibrated and the differential of operation is adjustable. This controller is also available with a remote (10 feet) sensor (iGS-020R).  | Manufacturer's Product Information |  | | | 2007 MSRP Each $ | 199 | | Case Quantity | 1 | | |