Specialty ModelsAir Pressure Sensing SwitchesThe Model AFS-460 is a general purpose proving switch with a manual reset feature that requires operator intervention whenever it actuates. It can be used to sense positive, negative, or differential air pressure in HVAC...
Specialty ModelsAir Pressure Sensing SwitchesThe Model DFS-460 is a general purpose airflow proving switch designed to require manual operator reset following actuation. It can be used to sense positive, negative, or differential air pressure in any HVAC and Energy...