RS1110 Robertshaw RS1110 (RS1000 SERIES 1HEAT/1COOL, 5-1-1 PROGRAMMABLE DIGITAL THERMOSTAT)

The Robertshaw® RS1110 Economy Series of 5-1-1 Day programmable thermostat is an impressive low-cost thermostat.  With a beautiful vibrant blue backlight, the RS1110 series is the right choice for an economical programmable thermostat for new and replacement residential applications.  They can be configured to control conventional gas or electric HVAC, heat pump, oil and millivolt equipment.  This is a 4-wire conventional or heat pump thermostat. Can be configured for Fahrenheit or Celsius, and can be used as manual or 5-1-1 day programmable operation