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Emerson Climate 1HDEZ-1521 - Emerson Inspire Universal 4 Wire Thermostat System

Item: 1HDEZ-1521
MFR: 1HDEZ-1521
This product is no longer available for purchase.
Comparable Product:


Universal 4-Wire Color Thermostat System

Upgrade single stage applications to premium high-efficiency systems (staging, heat pump or heat pump with dual fuel) - using existing 4 wires. Includes User Interface, Equipment Control and Configuration Tool.

  • Single stage, multi-stage, heat-pump and heat pump with dual fuel control - up to (4H/2C) with humidification and dehumidification.
  • 7 day or non-programmable.
  • Auto changeover.
  • Upgrade home to staging, heat pump, or dual fuel applications with humidification and dehumidification control using only 4 wires.
  • 5/8" thin profile with vibrant color display.
  • USB port to upload common installation settings, programs and company contact info.
  • Choice of silver or white faceplate to compliment any home décor.


NameEmerson Climate 1HDEZ-1521 - Emerson Inspire Universal 4 Wire Thermostat System
Gemaire Item Number1HDEZ-1521
Manufacturer Product Number1HDEZ-1521
SKU - PIM Number1409698377594
ERP Number332690
Unit of MeasureEA
Weight2.4 Pounds (Lb)
Length1.5 Inches (In)
Width6.5 Inches (In)
Height6.5 Inches (In)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginCHN
Voltage20 - 30 VAC
Auto ChangeoverYes
Digital-Non ProgrammableYes
Humidification90% non-condensing maximum
Stages Cool2
Stages Heat4
Temperature Range45°F to 99°F (7.2°C to 37.2°C)
GEM - Case Quantity


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