Description
Johnson Controls V47AB-2 Temperature Actuated Water Regulating Valve
The Johnson Controls V47AB-2 is a direct-acting, temperature-actuated water regulating valve engineered for precision flow control in hydronic and HVAC systems. Built with a durable cast brass body and a 1/2″ NPT connection, this valve automatically modulates water flow in response to sensed temperature changes — no external power source required.
Key Features
- Direct-acting, temperature-actuated operation — no external power required
- Cast brass valve body for long-lasting durability and corrosion resistance
- 1/2″ NPT connection for straightforward installation into standard piping
- 75°F to 135°F cross ambient point temperature sensing range
- 6-foot capillary tube for flexible remote bulb placement
- 11/16″ diameter x 10″ long sensing bulb for accurate temperature detection
- Style 1 configuration — external 1/2″ NPT fitting not included
Product Specifications
- SKU: V47AB-2
- Brand: Johnson Controls
- Connection Size: 1/2″ NPT
- Body Material: Cast Brass
- Temperature Range: 75°F to 135°F (Cross Ambient Point)
- Capillary Length: 6 feet
- Bulb Dimensions: 11/16″ diameter x 10″ long
- Valve Style: Style 1
- External NPT Fitting: Not included
Application
The V47AB-2 is ideal for use in commercial and light industrial HVAC systems where automatic water flow regulation based on temperature is required. Common applications include chiller condenser water circuits, cooling tower bypass, and hydronic heating systems. The remote sensing bulb and capillary design allow the valve to be positioned away from the sensing point, offering installation flexibility in tight mechanical spaces.
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