Barber Colman TA-3433 Thermometer

The Barber Colman TA-3433 is a high/low duct thermometer designed for monitoring air temperature within duct systems. Operating in the 100°F to 160°F range, this unit features a manual reset function for added safety and control. Built for commercial and industrial HVAC applications, the TA-3433 provides reliable temperature monitoring and protection. Now distributed by Schneider Electric, this model continues Barber Colman’s legacy of dependable HVAC instrumentation.

Technical Specifications

  • Model: TA-3433
  • Type: Hi/Low Duct Thermometer
  • Temperature Range: 100°F to 160°F
  • Reset Type: Manual
  • Mounting: Duct-mounted with sensor probe
  • Display: Analog scale
  • Application: Air temperature monitoring in ducts
  • Manufacturer: Barber Colman (Schneider Electric)

Key Features

  • Manual reset for high/low temperature acknowledgment
  • Accurate readings from 100°F to 160°F
  • Reliable performance in HVAC duct environments
  • Rugged construction suitable for commercial systems
  • Easy-to-read temperature display
  • Helps maintain system safety and efficiency

Compatible Components & Accessories

  • Air handling units and ductwork
  • Safety relays and alarm systems
  • Schneider Electric HVAC control components
  • Mounting plates and sealing gaskets

Industry Applications

  • Commercial and institutional HVAC systems
  • Over-temperature safety monitoring
  • Building automation and energy management
  • Industrial ventilation systems
  • Critical zone temperature tracking

Installation & Maintenance Notes

  • Mount thermometer where it can sample representative airflow
  • Avoid locations near heat sources or dead zones
  • Wire to alarm or control circuits per specifications
  • Reset manually after trip condition is triggered
  • Clean and inspect probe regularly for debris or damage


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