specifically the H-1259B

Versatile Application: The SPDT switching action allows for control of heating

though upright mounting is recommended to minimize sediment buildup

allowing for easy installation using standard duct mounting clips

it ensures that refrigerant does not condense in the crankcase

Belimo FSAF120A Actuator Refrigerant specifically the H-1259BThe Belimo FSAF120A Actuator is the engineered successor to the legacy FSAF120 model, specifically designed for high torque fire and smoke damper applications. This 120V spring return actuator delivers a robust 180 in lb of torque, providing a significant performance increase over the older 133 in lb versions. Built to withstand extreme conditions, it is rated for operation at 350F [177C] for 30 minutes, ensuring reliable fail safe positioning during