1F98EZ-1421 Emerson Blue Easy Install Universal 4-Wire Thermostat Solution

1F98EZ-1421 Emerson Blue Easy Install Universal 4-Wire Thermostat Solution

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Model #: 1F98EZ-1421
Brand : White Rodgers

Availability: In stock

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1F98EZ-1421 Emerson Blue Easy Install Universal 4-Wire Thermostat Solution



  • Universal – installer selectable system applications
  • Choice of 7 day or non-programmable (installer selectable)
  • 4 time and 4 temperature settings per program (2 setbacks) heat and cool
  • Energy savings up to 33%


  • Large, 12-square-inch touchscreen display – largest in the industry
  • Lighted display for easier low-light viewing
  • Optional continuous display light
  • Larger, easy-to-read character size
  • Clean, uncluttered touchscreen display provides easier navigation

Comfort & Convenience

  • Humidification and dehumidification control
  • Intuitive menu-driven setup, programming and operation, with audio prompt to confirm touchscreen entries
  • Permanent program retention during power loss
  • Indefinite setpoint Hold or temporary temperature override
  • Auto heat/cool changeover option – automatically switches between heating and cooling programs
  • Heating and cooling, heating only or cooling only configuration
  • Setpoint temperature limits
  • UV lamp change reminder
  • Furnace filter change reminder
  • Humidifier pad change reminder
  • Maintains room temperature to within +/- 1° F
  • Room temperature display can be recalibrated up to +/- 5° F


  • Selectable Energy Management Recovery
  • Meets California Building Code, Title 24
  • Fast (FA) or slow (SL) heating cycle anticipation
  • Exclusive “Call for Service” diagnostic indicator
  • Compressor lockout protection

Dual Fuel Heat Pump Control

Dual fuel applications require the use of an outdoor remote sensor.

Humidification and Dehumidification

Control Flexibility for system integrated control and/or independent humidification and dehumidification.

Additional Information

Brand White Rodgers
Application Thermostat
Warranty 5 years administered by younits.com