Voltage Type: NA

Material: Plastic

Compatible Brand: NA

Compatible Model: NA

UPC: 0786710559686

IsDraft: False

Power Source: Corded Electric

MPN: 55968

Year Manufactured: Unknown

Battery Size: AA

Compatible Product: Heat Pump,Air Conditioners

Control Style: Touch

Color: Black

Brand: Emerson

Mounting: Wall-Mounted

Thermostat Shape: Rectangular

Number of Periods per Programmable Day: 4

Cool Stages: 2

Programmability: Programmable

Smart Home Compatibility: Apple HomeKit

Display Size: 5 in (12.7 cm)

Voltage: 24 V

Features: Thermostat

Thermostat Programmable Days: 7- Day

Sensor Technology: Temperature

System Switching: Auto

Model: ST75U

Smart Home Protocol: Wi-Fi

Emerson Smart Thermostat ST55 Programmable Wi-Fi - White


Item is New in Open Box. Has been removed from original packaging and handled for inspection - Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Product may not ship in original packaging. Includes all items seen in pictures ONLY.


  • Programmable temperature control
  • Wi-Fi connectivity with mobile app control
  • Button-operated interface with LED display
  • Works with common HVAC systems
  • Wall-mount design with rectangular form
  • Supports voice control via Alexa and Google Assistant
  • Auto changeover, fan control, and filter indicator
  • ENERGY STAR certified


Compatibility & Fitment

  • Compatible with many residential HVAC systems
  • C-wire not required in most installations


Letters and Numbers in ( ) is the items location and is for our reference ONLY.

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