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You searched for: White-Rodgers 1F78-151 Series Low Voltage Thermostat
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White Rodgers 1F78-151 Programmable Thermostat



The White Rodgers 1F78-151 thermostat provides an upgrade to digital accuracy and energy savings…without any decorating touch-ups. The low-profile design covers the footprint of the four most common mechanical thermostats used today. So there’s no wall re-painting, no wall plates required, and it’s battery powered making it easy to install and compatible with most
heating/cooling systems.



  • Type Heating-Cooling

  • Energy savings up to 33%

  • Fossil fuel or electric heat compatible

  • Large LCD display with backlight

  • Selectable Celsius or Fahrenheit temperature display

  • Classic White color

  • Fossil fuel or electric heat compatible

  • Stages: 1 Heat/1 Cool

  • Mounting: Horizontal



  • 5/2 day programming (weekday/weekend)

  • 4 time and 4 temperature settings per program for heating and cooling



  • Setpoint Temperature Range: 45° to 90°F (7° to 32°C)

  • Operating Ambient Temperature: 32° to 105°F (0° to 40°C)

  • Dimensions (H-W-D): 3.750" x 5.125" x 1.125"

  • Meets California Building Code, Title 24

  • Millivolt compatible

  • Maintains room temperature differential within +/- 1 degree


Electrical Specifications

  • Battery-powered thermostat for maximum compatibility (2 “AAA” Energizer® batteries included)

  • Terminal Designation: RC, RH, W, Y, G, O, B

  • Electrical Rating: mV to 30 VAC, NEC Class II, 50/60 Hz or DC

  • Terminal Load: 1.0 A per terminal, 1.5A maximum all terminals combined

  • Maintains room temperature differential within +/- 1 degree

Installation Instructions
Item CodeDescriptionVendorQuantity
1F78-151 Programmable Thermostat
White-Rodgers Low Voltage 24 Volt or Millivolt system Programmable (5+2) 1 Heat/1 Cool Thermostat, Battery Powered
Mor Electric Heating