750412A | 750412A | Caleffi

750412A Caleffi Air Vent with Auto-fill for Closed SystemsThe Caleffi 750412A is an air vent with auto-fill for closed systems. It is designed to automatically release air from the system and refill it with water to maintain system pressure. The vent is made of brass and has a 1/2-inch NPT connection. It is suitable for use in both residential and commercial applications.Key Features:• Automatic air release and water refill• Brass construction• 1/2-inch NPT connection• Suitable for closed systemsBenefits:• Prevents air from accumulating in the system, which can cause corrosion and other problems• Maintains system pressure• Easy to install and maintainApplications:• Residential and commercial closed hydronic systems• Boilers• Radiant floor heating systems• Solar thermal systemsShop now at our HVAC supply store for the best prices and fast shipping on your Caleffi products!