Description
The Johnson Controls V47AB-24 is a temperature actuated modulating water valve engineered for precise, self-contained flow control in hydronic heating and cooling systems. Responding directly to sensed fluid or ambient temperature without the need for an external power source, this valve delivers reliable, proportional modulation to maintain system setpoints and maximize comfort.
Key Features
- Self-contained, temperature actuated operation — no external power required
- Modulating control provides smooth, proportional water flow regulation
- Operating temperature range: 75°F to 135°F for precise setpoint control
- 2-foot capillary tube allows flexible bulb placement away from the valve body
- Compact sensing bulb: 11/16″ diameter × 3-1/4″ length for easy installation in tight spaces
- Ideal for hydronic heating systems, heat exchangers, fan coil units, and water temperature regulation applications
Specifications
- Model: V47AB-24
- Brand: Johnson Controls
- Valve Type: Temperature Actuated Modulating Water Valve
- Temperature Range: 75°F – 135°F
- Capillary Length: 2 feet
- Bulb Size: 11/16″ diameter × 3-1/4″ length
Application
The V47AB-24 is well suited for commercial and light industrial hydronic systems where accurate water temperature control is essential. The remote bulb and capillary design allows the sensing element to be positioned directly in the water flow or on a pipe surface, while the valve body is mounted at a convenient location. This makes it an excellent choice for fan coil units, unit heaters, heat exchangers, and similar hydronic terminal equipment.
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