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Robertshaw RS1110 5-1-1 Day Digital Programmable Thermostat, 1 Heat/1 Cool

Save 45%
Original price $41.28
Current price $22.75
SKU RS1110
Currently 50 in stock.

Robertshaw RS1110 5-1-1 Day Digital Programmable Thermostat, 1 Heat/1 Cool

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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.

  • 1 Heat / 1 Cool Gas/Electric/HP
  • Selectable Fahrenheit or Celsius Display
  • 5-1-1 Day Programmable & Manual (non-programmable) operation
  • 4 Events / Day
  • Temporary Override with Override Icon on Display
  • Fan selector for automatic or continuous fan operation
  • Adjustable temperature differential
  • Compressor short cycle protection - Reduces wear and tear on HVAC equipment compressor
  • Worry free memory retention - Maintains programmed parameters even during power outages
  • HVAC equipment control using dry contact relays
  • Quick wire terminal block - uses sturdy wire clamps


RS1000 Economy Series Sell Sheet



    Battery Voltage: 3 VDC (2x AAA alkaline batteries)
    Battery Life: RS8110
    Dimensions: 3.35"Hx4.5"Wx1"D (85mm 114mmx102mmx26mm)
    Mounting Type: Wall or junction box
    Relay Contact Voltage: 24 VAC / 50/60 Hz
    Relay Contact Current: 1 Amp Max (inductive)
    Sensing Element: NTC thermistor
    Control Range: Heating 40 to 90°F (5 to 32°C ) in 1 degree steps Cooling 60-95°F (16 to 35°C) in 1 degree steps
    Control Accuracy: +/-1°F @68°F (0.5°C @20°C)
    1st Stage Differential: +1/-1°F (0.5°C) or +/-2°F(1°C)
    Terminations: R - 24V switching voltage, G - Fan, W - Heat or O/B O-Rev. Valve in Cooling, B-Rev. Valve in Heating



    Cross Reference

    Honeywell: TH1110DH1003, TH1110E1000, TH2110DH1002, TH4110B1033/U
    Braeburn: 2000NC, 2020NC
    Emerson White-Rodgers: 1F72-151, 1F78-151
    Lux: LTX100E