Venstar VST4800 Tstat

The Venstar VST4800 Explorer is the high-performance multi-stage programmable thermostat designed specifically for professional contractors managing commercial HVAC systems. Engineered to be the direct replacement for P374-2200, P374-2800, VST2800, and T2800 models, this unit provides seamless 3H/2C compatibility for gas/electric and heat pump installations. As a technical professional, you will appreciate its non-volatile memory and Dry Contact Input, which allows for advanced integration with energy management systems or condensate overflow sensors. The Explorer series thermostat features a large backlit display with scrolling text for easy configuration of 7-day, 5+1+1, or 1-day schedules. For industrial builds, utilize its Occupant Override and Holiday Programming to maintain strict control over energy overhead. With optional Wi-Fi and humidity sensors, the VST4800 supports Title 24 compliance and refined HVAC energy management across large-scale retail, warehouse, or lab facilities.

• Universal Compatibility: Operates as a direct Thermostat Replacement for T2800 and P374 series, ensuring a fast swap-out without re-drilling.
• Stage Control: Supports up to 3 Heat / 2 Cool stages with adjustable deadbands and timers to prevent short-cycling and equipment wear.
• Title 24 Compliance: Meets rigorous energy standards with features like Smart Recovery and setpoint limiting for localized efficiency.
• Advanced Integration: Includes a Dry Contact Input and is Outdoor Sensor Ready for precision ambient temperature monitoring.
• Security Features: Rugged commercial construction with keypad lockout prevents unauthorized setpoint adjustments in public high-traffic areas.

Is the VST4800 compatible with my existing Totaline P374-2200 wiring?
Yes. This model is the official engineering successor. It maintains terminal consistency for 3H/2C HVAC systems, though a common (C) wire is required for constant power to the backlit display and logic board.

Can I manage this thermostat remotely for enterprise accounts?
When paired with the optional ACC-VWF1 Wi-Fi module, the VST4800 integrates with Venstar Skyport Cloud Services, allowing contractors to monitor multiple sites via a single dashboard.

How does the "Dry Contact" assist with system safety?
The input can be wired to a condensate overflow switch. If a trip occurs, the thermostat is designed to shut down the compressor and flash a service alert on the screen to prevent facility water damage.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.