Description
Johnson Controls T26S-22 Line Voltage Thermostat Overview
The Johnson Controls T26S-22 is a dependable line voltage thermostat engineered for versatile commercial and residential HVAC applications. Featuring a single-pole double-throw (SPDT) switching configuration, this thermostat is capable of controlling heating-only, cooling-only, or combined heating and cooling systems — making it an adaptable solution across a wide range of installations.
Temperature Control
- Operating temperature range: 5–30°C (41–86°F)
- SPDT switching action for flexible system compatibility
- Suitable for heating, cooling, or heating and cooling applications
Key Features
- Line voltage design — no separate transformer or low-voltage wiring required
- SPDT switching configuration for broad system compatibility
- Supports heating-only, cooling-only, and combined heating/cooling control
- Reliable Johnson Controls engineering for long-term performance
- Compact, straightforward design for ease of installation
Typical Applications
- Fan coil units
- Unit heaters and electric baseboard systems
- Commercial HVAC systems requiring line voltage control
- Heating and cooling changeover applications
Why Choose the Johnson Controls T26S-22?
Johnson Controls has a long-standing reputation for producing reliable, precision HVAC controls trusted by contractors and facility managers worldwide. The T26S-22 delivers straightforward installation and dependable temperature regulation, reducing callbacks and ensuring occupant comfort. Its SPDT switching capability provides the flexibility needed to handle diverse system configurations without the need for additional control components.







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