Description
Ensure efficient and reliable operation of your hydronic heating system with the Taco 409‑3 3/4″ Brass Automatic Air Vent. Designed to automatically remove trapped air from radiators, piping, and heating loops, this brass air vent helps prevent noisy systems, corrosion, and uneven heating. Durable brass construction ensures long-lasting performance, while the 3/4″ connection fits most standard hydronic systems. Ideal for residential and commercial HVAC applications, this automatic air vent simplifies maintenance and improves overall system efficiency.
Key Features
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3/4″ Brass Construction – Durable, corrosion-resistant material for long service life.
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Automatic Air Removal – Continuously eliminates trapped air for optimal system performance.
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Quiet Operation – Reduces noise caused by air in hydronic loops.
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Easy Installation – Standard 3/4″ connection for residential and commercial systems.
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Maintenance-Friendly – Simplifies upkeep and helps prevent system damage.
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Reliable Taco Quality – Engineered for consistent performance in hydronic heating systems.











