Thermostat / Control

Back to Carrier products

Carrier Thermostat / Control ® - 4.3” Carrier Connect FX Wi-Fi Thermostat

Carrier Residential Thermostat / Control Thermostat / Control Repair, maintenance, and replacement planning
Carrier® - 4.3” Carrier Connect FX Wi-Fi Thermostat product image

Technical Specifications

Product Specs

  • Model: 33CONNECTSTAT43FX
  • Manufacturer Number: 33CONNECTSTAT43FX
  • Vendor Number: 33CONNECTSTAT43FX
  • Catalog Brand: Carrier®
  • 750mV Compatible: NO
  • Accuracy: ±0.20°C from +15.6°C to +32.2°C (approximately 0.5°F accuracy from 60°F to 90°F).
  • Ambient Temperature Range: 45°F to 92°F (7.22°C to 33.33°C)
  • Auto Changeover: NO
  • Backlit: YES
  • Batteries Included: NO
  • Battery Backup: YES
  • Brand: Carrier®
  • Built In Wi-Fi: YES
  • Change/Check Reminders: YES
  • Color: Black
  • Country Of Origin: USA
  • Cubic Measurement: 0.009
  • Daylight Savings Time Ready: YES
  • Digital: YES
  • Digital-Non Programmable: NO
  • Digital-Programmable: YES
  • Display: YES
  • Display Options: LCD
  • Display Size: 4.3
  • Displays Outdoor Temperature: YES
  • Dual Transformer Compatible: NO
  • Electrical Connection Type: Terminals
  • Electrical Rating: 1.25 Amp @ 24 Vac
  • Fan Switching: YES
  • Heat Pump Compatible: YES
  • Height: 3.228
  • Humidification: YES
  • Indoor Remote Sensor: YES
  • Language: English
  • Length: 0.94
  • Low Battery Indicator: NO
  • Manual: YES
  • Mounting Type: Wall-Mounted
  • OPT Code: 1P33CONNECTSTAT43FX
  • Operating Temperature Range: 32 to 104 Farenheit
  • Power Method: Battery; Hardwired
  • Programmable Fan: YES
  • Prop 65: YES
  • Removable Interface: YES
  • Stages Cooling: 3
  • Stages Heating: 4
  • System Switching: YES
  • Temperature Range: 32°F to 104°F (0°C to 40°C)
  • Temperature Settings Per Day: 24
  • Terminal Designations: P104 and P105
  • Touchscreen: YES
  • UPC: See Optical
  • Vacation Mode: YES
  • Voltage: 18/30 VAC
  • Weight: 0.75
  • Width: 5.125
  • Works With Google Assistant: YES
  • Works With Rheem EcoNet: NO

Useful troubleshooting details

  • Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
  • Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Carrier® - 4.3” Carrier Connect FX Wi-Fi Thermostat requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Brands We Service

Popular cities

Service Areas

Our Happy Customers