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Taco Automatic Air Vents

The industry standard for more than 30 years.


HVAC professionals have recognized Taco Automatic Air Vents as the industry standard for more than 30 years. Attached to the boiler or used through the system, Taco Vents automatically purge unwanted air from any hydronic installation, allowing the system to run more efficiently.

Taco Hy-Vents

The high-capacity, float-style vent can be placed either on the boiler or at the high points throughout the system. With threaded connections -- 1/8", 1/4", 1/2" and 3/4" -- and operating pressure ratings up to 250 psi, these brass-body, nickel-plated vents meet the system requirements of even your largest installations. Vents are easily serviceable, if needed, by simply unscrewing the vent cap. Taco Hy-Vents are available in a variety of styles including the Slim-Line Hy-Vent and High Pressure Hy-Vent.

Documentation: Taco_Auto Air Vents.pdf


Part No. Qty Unit Price
400-4 Hy-Vent, 1/8" NPT $10.21
426-3 Hy-Vent, 1/4" NPT $47.16
418-4 Hy-Vent, 1/2" x 3/4" NPT $47.16

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