Activation flow switch for tankless water heaters

Actuating device for a high-voltage switch

Actuating device for an invalid of plural electrical control cir

Adjustable pressure and vacuum limit switch valve

Adjustable pressure element, particularly for electric...

Adjustable pressure responsive switch assembly

Adjustable pressure-actuated switch

Adjustable pressure-type switch

Adjustment mechanism for pressure switch

Air operated DC switch

Air sensitive user input devices

Airflow switch for air ducts

Airflow velocity switch

Apparatus and method for sensing high and low liquid level to co

Apparatus for controlling start up and stop down of a hydraulic

Apparatus for controlling the drive for hydraulically actuated h

Apparatus for detecting when the pressure detector in a fluid li

Apparatus for discriminating between liquid and gaseous flow

Apparatus for indicating cylinder fluid level

Apparatus for monitoring the flow of fluid media in a pipeline