Caleffi 502343A

Caleffi 502343A is a high-capacity 1/2" NPT M air vent designed for the 548 Series, delivering reliable automatic air removal in HVAC systems.

Built to endure demanding applications, this air vent helps prevent air pockets, improves heat transfer, and supports efficient system operation across hydronic heating, radiant flooring, and cooling setups.

• 1/2-in NPT M connection for easy installation and secure mounting
• High-capacity venting for rapid air release and improved heat transfer
• Compatible with Caleffi 548 Series components for seamless integration
• Durable, corrosion-resistant materials ensure long service life
• Compact, maintenance-friendly design for quick servicing

Ideal for residential and commercial hydronic systems, the 502343A combines robust construction with reliable performance to keep your equipment running smoothly.