Description
The Johnson Controls VG7842RT+3008E is a fully assembled 3-way mixing valve engineered for reliable hydronic flow control in commercial HVAC and building automation applications. Combining a robust cast bronze valve body with a spring return exposed pneumatic actuator, this factory-matched assembly delivers precise, dependable performance right out of the box.
Valve Body — VG7842RT
- Configuration: 3-way mixing
- Pipe size: 1-1/2″ NPT
- Flow coefficient: 28.9 Cv
- Flow characteristic: Linear
- Body material: Cast bronze
- Trim material: Brass
- Connection type: NPT threaded
Actuator — 3008E
- Type: Spring return, exposed pneumatic actuator
- Spring range: 9–13 PSI
- Action: Spring return for fail-safe positioning
- Mounting: Direct-coupled to VG7842RT valve body
Key Features & Benefits
- Factory-assembled valve and actuator combination for simplified installation
- Cast bronze body provides excellent corrosion resistance and long service life
- Brass trim for durability in hydronic heating and cooling systems
- Linear flow characteristic enables accurate proportional control
- Spring return actuator ensures fail-safe valve positioning on loss of air signal
- Exposed pneumatic actuator design allows easy field inspection and maintenance
- 9–13 PSI spring range compatible with standard pneumatic control systems
- Ideal for mixing, diverting, and blending applications in commercial HVAC systems
Typical Applications
- Hydronic heating and cooling coil control
- Hot water and chilled water mixing systems
- Building automation and DDC/pneumatic control systems
- Fan coil units, air handling units, and terminal equipment
The VG7842RT+3008E is a trusted Johnson Controls solution for engineers and contractors who demand precision flow control, ease of installation, and long-term reliability in commercial HVAC environments.
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