Description
Reznor 103323 Two-Way Normally Open Valve Assembly
The Reznor 103323 is a precision-engineered two-way, normally open valve assembly designed for reliable flow control in commercial and industrial HVAC hydronic systems. Featuring a durable cast bronze body with brass trim, this valve delivers long-lasting corrosion resistance and dependable performance in demanding environments. The spring return, two-position actuator ensures the valve defaults to the open position upon power loss, providing a critical fail-safe function for heating and cooling applications.
Key Features
- Two-way, normally open (N/O) configuration for fail-safe operation
- 1/2″ NPT connection for straightforward installation into standard piping systems
- Dual-voltage actuator: operates on 24Vac or 24Vdc for flexible control system compatibility
- 4.6 Cv flow coefficient with equal percentage flow characteristic for precise modulation and control
- Cast bronze valve body for superior corrosion resistance and durability
- Brass trim for reliable sealing and long service life
- Spring return, two-position actuator ensures automatic return to open position on power loss
- Compact design suitable for tight mechanical spaces
Specifications
- SKU: 103323
- Brand: Reznor
- Valve Type: 2-Way, Normally Open
- Connection Size: 1/2″ NPT
- Actuator Voltage: 24Vac / 24Vdc
- Flow Coefficient (Cv): 4.6
- Flow Characteristic: Equal Percentage
- Body Material: Cast Bronze
- Trim Material: Brass
- Actuator Type: Spring Return, Two-Position
Applications
Ideal for use in commercial HVAC hydronic heating and cooling systems, fan coil units, unit heaters, and other terminal equipment where reliable two-position flow control is required. The normally open design and spring return actuator make this valve well-suited for applications where maintaining flow during a power interruption is essential for system safety and performance.







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