Description
A.J. Antunes 8742020074 Dual Fan and Limit Controller
The A.J. Antunes 8742020074 is a 24VAC dual-function fan and limit controller designed for precise temperature-based fan activation and high-limit protection in commercial HVAC and heating applications. Featuring two independent SPST switching circuits, this controller manages both fan operation and safety limit functions from a single, compact unit — simplifying wiring and reducing component count.
Key Features
- 24VAC operating voltage for compatibility with standard low-voltage HVAC control systems
- Dual 2-SPST switching configuration for independent fan and limit control
- Fan control temperature range: 80°F – 120°F for reliable blower activation and shutdown
- Limit control temperature range: 150°F – 235°F for high-temperature safety cutout protection
- Includes a 10-foot sensor for flexible remote sensing installation
- Compact design suitable for panel or equipment mounting
Specifications
- SKU: 8742020074
- Brand: A.J. Antunes
- Voltage: 24VAC
- Switch Type: 2-SPST (Dual Single-Pole Single-Throw)
- Fan Range: 80°F – 120°F
- Limit Range: 150°F – 235°F
- Sensor Lead Length: 10 feet
Application
Ideal for use in commercial heating equipment, warm air furnaces, unit heaters, and other HVAC systems requiring both automatic fan control and over-temperature limit protection. The wide-range limit setting (150–235°F) makes this controller well-suited for high-temperature environments where equipment protection is critical.







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