Description
The Johnson Controls A19PRC-1 is a rugged mechanical temperature control engineered for demanding agricultural and industrial environments. With a wide voltage compatibility range and reliable SPDT switching action, this controller delivers dependable performance across a broad range of temperature management applications — from livestock facilities and greenhouses to industrial process control.
Key Features
- Wide voltage compatibility: 24 to 277Vac for versatile installation across single- and multi-phase systems
- SPDT (Single-Pole, Double-Throw) switching action supports both heating and cooling control configurations
- Automatic reset operation for hands-free recovery after temperature excursions
- Setpoint range of 30°F to 110°F covers a broad spectrum of agricultural and light industrial applications
- Adjustable differential of 3°F to 12°F allows fine-tuning of the control band to match process requirements
- 1 3/8″ x 2 1/4″ coiled sensing bulb provides accurate, responsive temperature sensing
- User-friendly knob adjustment for straightforward setpoint changes in the field
- Mechanical design — no batteries or programming required
Specifications
- SKU: A19PRC-1
- Brand: Johnson Controls
- Control Type: Mechanical Temperature Control
- Switch Type: SPDT
- Reset Type: Automatic
- Voltage Range: 24 to 277Vac
- Setpoint Range: 30°F to 110°F
- Adjustable Differential: 3°F to 12°F
- Sensing Bulb Size: 1 3/8″ x 2 1/4″ Coiled
- Adjustment Interface: Knob
- Application: Agricultural / Industrial
Applications
- Livestock barns, poultry houses, and greenhouse temperature control
- Industrial process temperature monitoring and switching
- Ventilation fan staging and heating system control
- Refrigeration and cold storage environments
- General-purpose HVAC and mechanical system control
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