Description
Overview
The Neptronic TMA54-EXT1 is a commercial-grade 2-heat/2-cool (2H/2C) thermostat engineered for dependable temperature control in demanding HVAC applications. Powered by 24VAC, it is well-suited for light commercial and commercial building environments where multi-stage heating and cooling control is required.
Key Features
- 2-Heat / 2-Cool (2H/2C) staging for versatile system compatibility
- 24VAC power supply — standard commercial HVAC voltage
- Designed for commercial building automation and HVAC control applications
- Neptronic quality construction for long-term reliability in the field
- Compact design suitable for standard wall-mount installations
Application
The TMA54-EXT1 is ideal for commercial HVAC systems requiring multi-stage heating and cooling control. Its 24VAC operation makes it directly compatible with the vast majority of commercial air handling units, fan coil units, and split systems found in offices, retail spaces, and light industrial environments.
Why Choose Neptronic
Neptronic is a recognized name in commercial HVAC controls, known for producing thermostats and actuators that meet the rigorous demands of building automation professionals. The TMA54-EXT1 continues that tradition with straightforward wiring, robust construction, and reliable performance.
Specifications
- Brand: Neptronic
- Model / SKU: TMA54-EXT1
- Control Type: 2-Heat / 2-Cool (2H/2C)
- Supply Voltage: 24VAC
- Application: Commercial HVAC







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