VG1245BG+9A4GGA Johnson Controls Valve W/ Actuator

The Johnson Controls VG1245BG+9A4GGA 3/4″ 2W Ball Valve 4.7CV; SS TRIM NON-Spring RET VA9104-GGA-2S NO Switch 0-10V PROPORTIONAL

Johnson Controls VG1245BG+9A4GGA 2-Way Valve with Proportional Actuator – 3/4″ Stainless Steel

The Johnson Controls VG1245BG+9A4GGA is a precision-engineered 2-way control valve with integrated proportional actuator designed for reliable flow modulation in commercial and residential HVAC and hydronic systems. Built with a stainless-steel valve body and paired with a proportional actuator, this assembly delivers accurate valve positioning, smooth flow control, and long-term dependability.

Ideal for use in chilled water systems, heating loops, and other fluid control applications, the VG1245BG+9A4GGA offers a durable construction and excellent control performance. Its proportional actuator enables variable flow automation, helping optimize system efficiency and comfort levels.

Features

• OEM Johnson Controls VG1245BG+9A4GGA valve with proportional actuator
• 3/4″ NPT threaded connections for standard HVAC piping
• 2-way valve body in stainless steel — corrosion-resistant for long service life
• Integrated proportional actuator — precise flow modulation
• Suitable for chilled water, hot water, or hydronic system applications
• Robust construction designed for continuous duty in commercial and residential systems
• Compatible with building automation and control systems

Benefits & Applications

• Enables smooth, precise modulation of fluid flow for temperature and pressure control
• Stainless-steel body enhances durability and corrosion resistance
• Integrated proportional actuator simplifies installation and control integration
• Ideal for zone control, air handlers, fan coils, and hydronic loops
• Reinforces energy efficiency through accurate valve positioning
• Trusted by HVAC technicians, facility managers, and controls professionals

Technical Specifications

Applications

• Zoned HVAC systems requiring variable flow control
• Chilled water and hot water distribution loops
• Hydronic heating applications
• Air handler and terminal unit flow regulation
• Integration with building automation systems for proportional control
• Commercial and residential mechanical systems

Verify compatibility with your system’s fluid type, temperature range, pressure ratings, and control signal requirements before installation.

Installation & Use Notes

• Installation should be performed by qualified HVAC or controls professionals.
• Confirm system fluid type, temperatures, and pressure ratings prior to installation.
• Ensure actuator wiring and control signal type match the building automation or controller outputs.
• Follow all applicable electrical and plumbing codes for connection and grounding.
• After installation, verify valve travel and actuator response to control signals.

Why Buy from APEX Controls

• OEM-grade Johnson Controls products — no aftermarket substitutes
• Trusted components for HVAC, hydronic, and building automation systems
• Ideal for mechanical contractors, systems integrators, and facility engineers
• Durable design engineered for long service life and reliable performance
• Expert support available for selection and application