Overview
The Johnson Controls V47AA-2C is a temperature-actuated modulating valve designed to regulate the flow of water or glycol to maintain a desired temperature. This 3/8-inch valve features an open-on-temperature-increase action and is engineered to deliver stable temperature control with minimal maintenance.
Features
- No close-fitting sliding parts in water passages to prevent sticking
- Range spring remains isolated from the water or fluid
- Design minimizes chatter and water hammer during operation
- Allows for easy manual flushing when required
- Comes with a removable bypass plug
Specifications
- Pipe Size: 3/8 inch
- Temperature Range: 160°F to 230°F
- Bulb Size: 11/16 inch x 3-1/4 inches
- Capillary Length: 6 feet (Nylon Armor, Style 4)
- Standard Bypass Orifice Diameter: 0.062 inch
- Maximum Supply Water Pressure: 150 psig
Applications
Used in commercial HVAC, refrigeration, and hydronic heating applications to control the flow of water or glycol solutions for precise temperature regulation.



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