Venstar
Venstar Voyager T4900 Commercial Thermostat 4H/2C
A commercial Wi-Fi programmable thermostat providing four heat and two cool stages with automated demand response and equipment fault protection
- TypeWiFi Thermostats
- Commercial-grade control with 4 heat and 2 cool stages
- Flexible 7-day, 4+1+1 or 1-day programming options
- Outdoor sensor support with daily high/low temperature tracking
- Wi-Fi ready for wireless sensor and remote access integration
- Built-in humidification, dehumidification and reheat control
Commercial thermostat
The Venstar Voyager T4900 is a commercial-grade programmable thermostat designed for multi-stage HVAC systems. It manages up to four heating and two cooling stages for gas, electric or heat-pump equipment. The unit supports Wi-Fi connectivity and is compatible with a wireless temperature sensor. It also controls humidification, dehumidification and reheat functions.
Replaces basic single-stage
Upgrading from a thermostat that handles fewer stages lets the HVAC system modulate capacity more precisely. The jump is worth it when the building uses multi-stage equipment that currently short-cycles or cannot maintain consistent comfort. It also adds automated demand-response readiness and equipment fault-detection notifications for proactive maintenance.
Handles commercial zoning
The thermostat comfortably manages multi-stage heating and cooling alongside active humidity control in a single device. It runs out when an application requires more than four heating stages, more than two cooling stages, or integrated control of additional accessories beyond the listed humidification, dehumidification and reheat functions.
Highlights
- Commercial-grade control with 4 heat and 2 cool stages
- Flexible 7-day, 4+1+1 or 1-day programming options
- Outdoor sensor support with daily high/low temperature tracking
- Wi-Fi ready for wireless sensor and remote access integration
- Built-in humidification, dehumidification and reheat control
Specifications
| Type | WiFi Thermostats |
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Questions about this item
What wiring terminals does the T4900 require for a 4-heat / 2-cool installation?
The thermostat supports up to four heating stages and two cooling stages, so the wiring must provide terminals for each stage plus common, power and outdoor-sensor connections.
Which programming schedule is selected first during the initial setup wizard?
The installer chooses between 7-day, 4+1+1-day or 1-day programming before configuring temperature set-points and stage differentials.
How often should the optional outdoor temperature sensor be checked or replaced?
The outdoor sensor is a passive device with no moving parts; inspect it annually for corrosion or damage and replace only if readings drift.
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