securing the long-term operational efficiency of liquid and suction line applications

it is commonly utilized in various York HVAC voltage configurations where a 6A limit is specified

maintaining identical electrical specifications and physical dimensions

Compatible with a broad range of 1F90 series and 1F70 series units (excluding Blue models)

While it is an NTC 10K ohm sensor

Cleveland Controls DFS-301-112 Switch securing the long-term operational efficiencyThe Cleveland Controls DFS 301 112 is a precision engineered fixed set point airflow switch designed for critical monitoring in duct heaters, ovens, and high performance HVAC systems. As an airflow proving switch, it utilizes a sensitive silicone diaphragm and a snap acting SPDT switch to ensure air pressure rises meet specific operational thresholds before permitting equipment engagement. This model is factory calibrated to operate at a fixed 0. 03"