Caleffi 553542A Boiler Feed Auto Filling Valve 1/2" NPT

The Caleffi 553542A Boiler Feed Auto Filling Valve is a well designed valve that operates automatically to refill boilers to the optimal levels and prevent system deterioration. This valve has a 1/2” NPT connection and is easy to install and works well with most HVAC systems especially hydronic heating systems. It operates on the electronic control system that releases water in the boiler whenever the pressure reduces and undertakes its function of the constant provision of water required to operate the boiler efficiently. This improves the systems efficiency, decreases the amount of human interaction, and protects equipment from low water conditions, which in return increases the life of the heating equipment.