1HDEZ-1521 White Rodgers Universal 4-Wire Color Thermostat

1HDEZ-1521 White Rodgers Universal 4-Wire Color Thermostat

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Model #: 1HDEZ-1521
Brand : White Rodgers

Availability: In stock

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1HDEZ-1521 White Rodgers Universal 4-Wire Color Thermostat


  • Easy install and Setup to upgrade any standard system-- without running new wires
  • Color-coded system signal LED's for accurate installation, set-up confirmation and troubleshooting
  • Quick Connect terminals for faster installation
  • Reusable configuration and check-out tool connects user interface to equipment control at the furnace for fast configuration, troubleshooting and 100% correct installation assurance
  • Eliminates multiple trips up and down the stairs



  • Sharp, color display
  • Lighted display for easier low-light viewing
  • Optional continuous display light
  • Large, easy-to-read character size

Comfort & Convenience

  • Choice of 7-Day or Non-Programmable
  • Easy temperature hold or temporary temperature override
  • Easy to adjust humidification and dehumidification settings
  • Intuitive menu-driven setup, programming and operation, with audio prompt to confirm entries
  • Auto heat/cool changeover option – automatically switches between heating and cooling programs
  • Room temperature display can be recalibrated up to +/- 5° F
  • Maintains room temperature to within +/- 1° F
  • Setpoint temperature limits
  • Furnace filter change reminder
  • Humidifier pad change reminder
  • Permanent program retention during power loss
  • Compressor lockout protection


  • Energy Aware compliant
  • Energy savings up to 33% using convenient heating and cooling program schedule
  • Meets California Building Code, Title 24

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