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The Caleffi Plumbvent NA502640A is a 1/2 NPT low lead air vent designed for effective air control in plumbing systems. This device automatically releases or admits air as needed, contributing to system efficiency. It features a hygroscopic cap that reacts to moisture, improving overall functionality.
This air vent is ideal for various applications, including hydronic heating, cooling systems, and industrial processes.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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