Venstar T3800 Residential Digital Thermostat – 4 Heat, 2 Cool, Wi-Fi Compatible

Condition: New

The T3800 Residential Digital Thermostat is a highly versatile multi-stage thermostat designed for both gas/electric and heat pump systems with up to 4 heating and 2 cooling stages. It offers switchable operation modes, allowing users to choose between programmable and non-programmable settings. The large, easy-to-read display with an adjustable backlight enhances visibility, while Wi-Fi connectivity and wireless accessory compatibility provide remote monitoring and control. This thermostat is Title 24 compliant, ADR-ready, and supports FDD (Equipment Fault Protection) notifications, making it ideal for residential and light commercial applications.

Features:

Programming & User Interface:

• Switchable Operation: Programmable or Non-Programmable
• Programming Options: 7-day, 5+2-day, or 1-day programmable modes
• User Interface: Push-button control with large, backlit display
• Auto Changeover: Automatically switches between heating and cooling
• Night Dimmer Mode: Lowers display brightness at night
• Language Options: English, Spanish, or French for scrolling display

Performance & System Compatibility:

• Stages: 4 Heat / 2 Cool (Multi-stage systems)
• Voltage: 24V
• Compatible with Gas/Electric or Heat Pump Systems
• Dry Contact Input: Supports additional system controls
• Outdoor Sensor Ready: Monitors external temperature conditions
• Smart Recovery: Learns system behavior for energy efficiency
• Service Alerts & Lockout Notifications: Compressor lockout with display messages
• Bi-Color LED Indicator: Shows heating or cooling demand

Connectivity & Smart Features:

• Wi-Fi Compatible: Use with a wireless Wi-Fi temperature sensor
• Wireless Connectivity: Works with optional wireless accessories
• Third-Party API Integration: Monitor and control through compatible smart home platforms
• Non-Volatile Memory: Retains settings during power outages
• Title 24 Compliant & ADR Ready: Meets energy efficiency regulations
• Compatible with Condensate Overflow Warning Systems

Applications:

The T3800 thermostat is designed for:

• Multi-Stage Heating & Cooling Systems (4 Heat / 2 Cool)
• Gas Furnaces & Electric Heating Systems
• Heat Pump Systems
• Residential & Light Commercial HVAC Applications
• Smart Home & Energy-Efficient Installations

Comparable Models:

If the T3800 is unavailable, consider these alternative thermostats with similar features:

• Honeywell T6 Pro (TH6320WF2003) (3 Heat / 2 Cool, Wi-Fi, Programmable)
• Emerson Sensi Touch Wi-Fi Thermostat (ST75) (Multi-Stage, Wi-Fi, Smart App Control)
• Ecobee Smart Thermostat Premium (5 Heat / 2 Cool, Wi-Fi, Smart Sensors)
• Nest Learning Thermostat (3 Heat / 2 Cool, AI Learning, Wi-Fi, Auto Schedule)

Related:

• Wi-Fi programmable thermostat for multi-stage HVAC
• 4 Heat / 2 Cool digital thermostat for residential use
• Best smart thermostat for heat pump systems
• Wireless thermostat with outdoor sensor compatibility
• Energy-efficient HVAC thermostat with smart recovery

Questions:

1. What is the best Wi-Fi thermostat for a 4 Heat / 2 Cool multi-stage system?
2. How to program a T3800 thermostat for a gas furnace with heat pump?
3. Does the T3800 thermostat work with a wireless temperature sensor?
4. What are the Title 24 compliance requirements for residential thermostats?
5. How to integrate a smart thermostat with a condensate overflow warning system?

Disclaimer:

All trademarks and brand names mentioned are the property of their respective owners. This thermostat is designed for compatibility with multiple HVAC systems but is not manufactured or endorsed by Honeywell, Nest, Ecobee, or other brands referenced for comparison. Always verify system compatibility before purchase.

T112