Description
The Johnson Controls T25A-1 is a robust line voltage wall thermostat engineered for two-stage heating and cooling applications in commercial and light industrial environments. Featuring intuitive knob adjustment, this thermostat delivers reliable temperature control without the complexity of a selector switch, making it an ideal choice for straightforward HVAC system installations and replacements.
System Compatibility
The T25A-1 is designed to support multiple staging configurations, giving installers the flexibility to match a wide range of system types:
- Two-stage heating
- Two-stage cooling
- One-stage heating and one-stage cooling (combined)
Key Features
- Line voltage operation for direct compatibility with line voltage HVAC systems
- Two SPDT (Single Pole Double Throw) switches for versatile staging control
- Knob adjustment for simple, manual temperature setpoint changes
- No selector switch — simplified operation and installation
- 1¾° F heating differential for precise heating stage control
- 2¼° F cooling differential for accurate cooling stage management
- Wall-mount design for standard installation
Specifications
- Thermostat Type: Line Voltage Wall Thermostat
- Staging: Two Stage
- Switch Type: 2 SPDT Switches
- Adjustment: Knob
- Selector Switch: None
- Heating Differential: 1¾°F
- Cooling Differential: 2¼°F
- Brand: Johnson Controls
- SKU: T25A-1
Why Choose the Johnson Controls T25A-1?
Johnson Controls is a globally recognized leader in building controls and HVAC solutions. The T25A-1 reflects their commitment to reliability and ease of use, offering a no-frills, dependable line voltage thermostat that performs consistently in demanding two-stage applications. Whether you’re upgrading an existing system or specifying controls for a new installation, the T25A-1 provides the staging flexibility and differential precision that HVAC professionals require.
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