Cleveland Controls DFS-221 Switch replacement is often more reliable

replacement is often more reliable than manual cleaning

Always check the pressure drop across the drier before assuming a leak

you must use the specific 210F rated switch designated for your model

Using the 063392 ensures the force is applied evenly across the intended contact points

Is the Emerson BVE-014 compatible with subcritical CO2 systems

Cleveland Controls DFS-221 Switch replacement is often more reliableThe Cleveland Controls DFS 221 Air Flow Switch is a high precision, factory set differential pressure switch designed for air proving in demanding HVAC and energy management systems. Engineered to detect positive, negative, or differential pressure, this SPDT air pressure sensing switch is factory calibrated to operate on a pressure rise at 0. 05" 0. 02" w. c.. Its non adjustable design ensures consistent performance in duct heaters, ovens, and