Description
The Taco Comfort Solutions 426-3 is a 1/4″ NPT Hy-Vent automatic air vent engineered for reliable air elimination in residential and light commercial hydronic heating systems. By continuously venting trapped air and gases from the system, the 426-3 helps maintain peak heat transfer efficiency, reduces noise, and protects pumps and other hydronic components from air-related damage.
Key Features
- Automatic air venting design continuously purges trapped air from hydronic loops
- 1/4″ NPT connection for straightforward installation on air separators, expansion tanks, and high points in the system
- Rated to 150 PSI maximum working pressure for compatibility with a wide range of hydronic systems
- Rated to 240°F maximum operating temperature, suitable for high-temperature hot water heating applications
- Compact, durable construction built to Taco Comfort Solutions’ quality standards
- Ideal for use at system high points where air naturally collects
Specifications
- Brand: Taco Comfort Solutions
- Model / SKU: 426-3
- Connection Size: 1/4″ NPT
- Maximum Working Pressure: 150 PSI
- Maximum Operating Temperature: 240°F
- Type: Automatic Hy-Vent Air Vent
Application
The Taco 426-3 Hy-Vent is designed for installation at the highest points in hydronic piping systems, on air separators, and at other air-collection points. Proper air elimination is critical to system efficiency and longevity — trapped air causes noise, reduces heat output, and can lead to premature pump wear. The 426-3 provides a simple, maintenance-friendly solution trusted by hydronic heating professionals.
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