Description
The Johnson Controls V47AD-2 is a direct acting, temperature actuated water regulating valve engineered for reliable heating system control in commercial and industrial HVAC applications. Built with a durable cast iron body and a 1″ NPT connection, this valve automatically modulates water flow in response to system temperature, helping maintain precise setpoints without the need for external power.
Key Features
- Direct acting, temperature actuated operation — no external power required
- Cast iron valve body for long-lasting durability in demanding hydronic environments
- 1″ NPT inlet/outlet connections for straightforward installation
- Heating point range: 115°F to 180°F for broad hydronic system compatibility
- 6-foot capillary for remote bulb placement flexibility
- Style 4 sensing bulb: 11/16″ diameter x 6″ long for accurate immersion temperature sensing
- 1/2″ NPT external fitting for secure bulb well or immersion installation
How It Works
The V47AD-2 uses a remote sensing bulb connected via a 6-foot capillary to the valve body. As system water temperature rises within the 115–180°F range, the thermostatic element expands, directly actuating the valve to modulate flow. This self-contained, direct acting design eliminates the need for electrical controls, making it ideal for simple, dependable temperature-based water regulation.
Specifications
- SKU: V47AD-2
- Brand: Johnson Controls
- Valve Body Material: Cast Iron
- Connection Size: 1″ NPT
- Operation Type: Direct Acting, Temperature Actuated
- Heating Point Range: 115°F – 180°F
- Capillary Length: 6 feet
- Bulb Style: Style 4
- Bulb Dimensions: 11/16″ diameter x 6″ long
- External Fitting: 1/2″ NPT
Applications
- Hydronic heating systems
- Commercial boiler water temperature regulation
- Industrial process water control
- Heat exchanger temperature management
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