This specific model is designed strictly for 120V primary input

it is engineered for seamless integration into existing liquid lines

It carries UL864 and UL916 listings

serving as the direct replacement for Y66T13-0

Zonefirst ZDB-10X12 10HX12W Parallel 24V 2-Pos S/R Refrigerant This specific model is designedThe Zonefirst ZDB 10X12 is a professional grade parallel blade zone damper engineered for precise airflow management in residential and commercial 24V zoning systems. This 10HX12W bottom mount damper features a heavy duty extruded aluminum frame and 3 inch parallel blades, ensuring minimal static pressure drop while maintaining a rigid structure across the duct opening. Driven by a 24V spring return motor, the unit is factory configured for power