🌡️ Trerice 91400 Series Self-Operating Temperature Regulator
The Trerice 91400 Series is a self-operating temperature regulator designed for the precise control of heating or cooling processes. This rugged, industrial-grade instrument operates without the need for an external power source, utilizing the thermal expansion of a liquid-filled sensing bulb to actuate the valve.
The 91400 model is particularly valued for its Indicating Dial, which allows operators to monitor the process temperature while simultaneously adjusting the set point.
Key Features & Specifications
Model: 91400-R03-08-B01 (91400R0308B01)
Temperature Range: * 30°F to 115°F * 0°C to 45°C
Capillary Length: 8 Feet of flexible tubing, allowing for convenient placement of the sensing bulb relative to the control valve.
Indicating Dial: Integrated dial provides clear, real-time temperature feedback for process monitoring.
Self-Operating: Powered by the process itself—no compressed air or electricity is required for operation.
Condition & Quality
Status: Lightly used item in excellent physical and mechanical condition.
Transparency: Please review all provided photos to see the exact condition of the unit and its components.
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Product Quick-Reference
| Feature | Details |
| Manufacturer | H.O. Trerice Co. |
| Series | 91400 (Indicating) |
| Actuation | Thermal Expansion (Self-Operating) |
| Capillary Length | 8 Ft |
| Standard Range | 30°F to 115°F |














