Cleveland Controls DFS-301-112 Switch which prevents premature failure in

which prevents premature failure in high-ambient environments

While the 100RB series is durable

both equipped with 1/4" SAE connectors and Schrader valve depressors

Replacing a failing blower control module with this genuine part ensures the system maintains factory-spec timing sequences and prevents premature wear on the motor or heat exchanger due to insufficient ventilation

Cleveland Controls DFS-301-112 Switch which prevents premature failure inThe 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"