Description
The Johnson Controls VG7842ES+8020G is a pre-assembled 3-way mixing valve and actuator combination engineered for precise hydronic flow control in commercial HVAC and building automation systems. Combining the VG7842ES valve body with the 8020G non-spring return floating actuator, this assembly delivers reliable, repeatable performance right out of the box.
Valve Body Features
- 3-way mixing configuration for blending or diverting hydronic flow
- 1/2″ NPT end connections for straightforward pipe installation
- Flow coefficient (Cv) of 1.8 for accurate flow regulation
- Linear flow characteristic for proportional control response
- Cast bronze body construction for durability and corrosion resistance
- Brass trim components for long-term reliability in hydronic applications
Actuator Features
- 24 Vac operating voltage — compatible with standard low-voltage control systems
- Non-spring return design — valve holds last position on power loss
- Floating (tri-state) control signal for simple, cost-effective integration
- Factory-mounted to the valve body for plug-and-play installation
Ideal Applications
- Fan coil units and air handling units
- Hydronic heating and cooling coil control
- Building automation and energy management systems
- Commercial HVAC zone control
Why Choose the VG7842ES+8020G?
The factory-assembled valve-and-actuator package eliminates field assembly errors and reduces installation time. The cast bronze body and brass trim ensure compatibility with standard hydronic system water quality, while the linear flow characteristic simplifies commissioning and control loop tuning. The non-spring return floating actuator is ideal for applications where valve position retention on power loss is preferred over fail-safe return.
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