Description
The Johnson Controls V47AC-3 is a direct acting, temperature actuated water regulating valve engineered for reliable heating system control in commercial and industrial hydronic applications. Built with a durable cast brass body, this valve responds directly to temperature changes sensed by its remote bulb and capillary assembly — requiring no external power source for operation.
Key Features
- Direct acting temperature actuation — no external power required
- Cast brass body construction for long-lasting corrosion resistance
- 3/4″ NPT inlet/outlet connections for straightforward installation
- 1/2″ NPT external fitting for system integration
- 6-foot capillary tube for flexible remote sensing placement
- Style 4 sensing bulb: 11/16″ diameter x 3-1/4″ long for accurate temperature detection
- Heating point range of 115°F to 180°F suits a wide range of hot water heating systems
Specifications
- SKU: V47AC-3
- Brand: Johnson Controls
- Body Material: Cast Brass
- Connection Size: 3/4″ NPT
- External Fitting: 1/2″ NPT
- Operation Type: Direct Acting
- Actuation: Temperature Actuated
- Heating Point Range: 115°F – 180°F
- Capillary Length: 6 feet
- Bulb Style: Style 4
- Bulb Dimensions: 11/16″ diameter x 3-1/4″ long
Application
The V47AC-3 is ideal for controlling the flow of hot water in heating systems where precise temperature-based regulation is required. The remote sensing bulb and capillary allow the valve to be positioned away from the sensing point, offering installation flexibility in boiler rooms, mechanical rooms, and hydronic heating systems. The direct acting design ensures a reliable, self-contained response to temperature changes without the need for electrical connections.
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