Description
Johnson Controls JT3213G13A020 Overview
The Johnson Controls JT3213G13A020 is a 3-way normally closed (N/C) zone valve engineered for precise hydronic flow control in commercial and residential HVAC systems. With a 1/2″ sweat (SWT) connection, 24V operating voltage, and a 4.0 Cv flow coefficient, this valve delivers dependable performance in chilled water, hot water, and hydronic zoning applications.
Key Features
- 1/2″ sweat (SWT) end connections for easy copper pipe installation
- 3-way valve configuration for diverting or mixing flow
- Normally closed (N/C) operation — valve closes on loss of power for fail-safe control
- 24V actuator voltage for compatibility with standard HVAC control systems
- 4.0 Cv flow coefficient for efficient, balanced hydronic flow
- Compact, durable construction suitable for a wide range of hydronic applications
Typical Applications
- Hydronic heating and cooling zone control
- Fan coil unit water flow regulation
- Chilled water and hot water distribution systems
- Commercial building automation and HVAC controls
Specifications
- SKU: JT3213G13A020
- Brand: Johnson Controls
- Connection Type: 1/2″ Sweat (SWT)
- Valve Configuration: 3-Way
- Fail-Safe Mode: Normally Closed (N/C)
- Actuator Voltage: 24V
- Flow Coefficient (Cv): 4.0









