Description
The Johnson Controls A19DAC-1 is a mechanical, strap-on surface mounted temperature control engineered for reliable pipe-sensing applications in commercial and residential HVAC and hydronic systems. Featuring a wide setpoint range and automatic reset functionality, this control provides dependable switching performance across a broad range of temperature conditions.
Key Features
- Mechanical temperature control with strap-on, surface-mounted installation for easy pipe attachment
- Wide setpoint range of 100°F to 240°F to accommodate diverse heating and process applications
- 10°F fixed differential for consistent and predictable switching performance
- SPDT (Single-Pole, Double-Throw) switching action for flexible control circuit configurations
- Automatic reset operation — returns to normal operation once temperature falls within setpoint range
- Compatible with 120Vac to 240Vac power supplies for broad electrical compatibility
- Knob range adjuster for straightforward, tool-friendly setpoint adjustment in the field
Specifications
- SKU: A19DAC-1
- Brand: Johnson Controls
- Control Type: Mechanical Temperature Control
- Mounting Style: Strap-On, Surface Mounted
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Reset Type: Automatic Reset
- Setpoint Range: 100°F to 240°F
- Fixed Differential: 10°F
- Voltage Rating: 120Vac – 240Vac
- Setpoint Adjustment: Knob Range Adjuster
Applications
- Hot water and steam pipe temperature monitoring and control
- Hydronic heating system high-limit and operating controls
- Commercial boiler and process heating applications
- HVAC equipment protection and sequencing circuits
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