Description
The Johnson Controls VG1245AD+9A4AGA is a factory-assembled valve and actuator package engineered for precise hydronic flow control in commercial HVAC applications. Combining a forged brass body ball valve with a non-spring-return floating point actuator, this assembly delivers reliable two-way equal percentage flow modulation in a compact, ready-to-install configuration.
Valve Features
- Valve size: 1/2″ NPT threaded connection
- Flow characteristic: Two-way equal percentage
- Flow coefficient (Cv): 1.2
- Body material: Forged brass for durability and corrosion resistance
- Trim material: Stainless steel for long service life
- Valve type: Ball valve design for low pressure drop and tight shutoff
Actuator Features
- Supply voltage: 24 Vac
- Control type: Floating point (three-point) — no spring return
- Timeout function: None (without timeout)
- Cable: 120″ (10 ft) plenum-rated cable included for code-compliant installation in plenum air spaces
Assembly Benefits
- Factory-matched valve and actuator eliminate field assembly errors
- Equal percentage flow characteristic provides stable control across a wide range of system loads
- Non-spring-return design retains last position on power loss, reducing system shock
- Plenum-rated cable meets fire and smoke safety requirements for air-handling spaces
- Compact, pre-assembled package reduces installation time and labor costs
Typical Applications
- Fan coil units (FCUs)
- Air handling units (AHUs)
- Heat exchangers and hydronic terminal units
- Commercial building automation and DDC control systems
The VG1245AD+9A4AGA is an ideal solution for contractors and building engineers seeking a dependable, code-compliant valve assembly from a trusted Johnson Controls product line.
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