Description
Johnson Controls V47AC-39 Temperature Actuated Modulating Water Valve
The Johnson Controls V47AC-39 is a self-contained, temperature actuated modulating water valve engineered for reliable flow control in hydronic heating and cooling systems. Designed for 3/4″ pipe connections and a sensing range of 160–230°F, this valve automatically modulates water flow in direct response to system temperature — no external power source or control wiring required. Its self-actuating design simplifies installation and reduces system complexity, making it an ideal solution for boiler bypass, heat exchanger, and other hydronic applications where precise temperature-based flow regulation is essential.
Key Features
- Self-actuated, temperature-driven modulating operation — no external power required
- 3/4″ valve connection for straightforward integration into standard hydronic piping
- Operating temperature range: 160°F to 230°F
- Modulating control provides smooth, proportional flow adjustment to maintain system setpoints
- Compact, durable construction suited for commercial and light industrial hydronic systems
- Reduces energy waste by continuously matching flow to actual system demand
- Simplifies system design — eliminates need for separate actuator, controller, or power supply
Typical Applications
- Boiler system bypass and mixing control
- Heat exchanger water flow regulation
- Hydronic heating distribution systems
- Commercial HVAC water temperature management
Product Specifications
- Brand: Johnson Controls
- Model / SKU: V47AC-39
- Valve Type: Temperature Actuated Modulating Water Valve
- Connection Size: 3/4″
- Temperature Range: 160°F – 230°F
- Actuation: Self-contained, no external power required
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