OJ Microline UWG4 Wi-Fi Floor Thermostat
by OJ Electronics
WiFi Touch Thermostat with Class A GFCI
Highlights
Capabilities
Media
ojelectronics.com
About This Product
OJ Microline UWG4 Wi-Fi Floor Thermostat is a smart thermostat with Wi-Fi connectivity.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
Tool Specifications
- Battery
- 5 Year Battery Backup
- Warranty
- 3 years
- Ecosystem
- OJ cloud service
- Companion App
- OJ Microline app
Data Logging Mobile App
Thermostat Capabilities
- Communication
- App + cloud (proprietary OJ Microline platform); no open communicating-HVAC bus
- Communicating Compatibility
- None confirmed — not part of an OEM communicating forced-air system; standalone line-voltage floor-heating thermostat
- C-Wire
- N/A — line-voltage thermostat (120/208/240V, up to 15A resistive); not a 24V C-wire device
- Voice Assistants
- Amazon Alexa ("UWG4 Microline" skill) and Google Assistant / Google Home ("Hey Google")
- Zoning
- Single-zone floor heating thermostat (one per loop)
- IAQ Sensors
- None (floor + ambient NTC temperature sensing only; dual sensing)
- Geofencing
- Not confirmed
- BMS / BACnet
- No BACnet/BMS support found
- Dealer Portal
- OJ Electronics support/customer login portal at ojelectronics.com (no named contractor program confirmed)
- Pro Features
- Built-in Class A GFCI, installation wizard, dual sensing, dual voltage, adaptive/programmable control, real-time energy monitoring via app. (AWG4 sibling uses 15mA EGFPD instead of GFCI.)
FSH Score Breakdown
Ease of Use 6.5
Features 5.0
Support 5.0
Value 5.5
Integrations 5.0
AI Capabilities 1.5
Features
5 features confirmed across
4categories· Showing confirmed capabilities only
Hardware Features2features
Smart Home IntegrationVoice controlTouchscreen Display3.5" color touchscreen
Reporting & Analytics1feature
AnalyticsEnergy log for power consumption monitoring
Equipment & Asset Management1feature
Local 5 Day Weather Forecast DisplayWeather forecast display
Platform & Customization1feature
Passcode ManagementChild lock
Pricing
- Model
- Custom
- Starting at
- $150
- Notes
- ~$150-$200 (retail listings; price not confirmed on a fetched page — 403 blocked)
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