For high-demand commercial hydronic systems and large-scale water heating plants

making it fully compliant with the high-pressure requirements of R410A liquid lines

If power is present but contacts (e

Is minor piping required during installation

Resideo CPRD12 Damper 318973-401 For high-demand commercial hydronic systemsThe Resideo CPRD12 Damper is a professional grade 12 inch round bypass damper engineered to maintain constant system pressure in multi zone forced air applications. As a direct EBD 12 replacement, this TrueZONE bypass damper eliminates the common headaches associated with manual weighted arm balancers. With an airflow rating up to 1,400 CFM, the CPRD12 utilizes a calibrated spring tension regulator to automatically relieve excess static pressure when