Activation flow switch for tankless water heaters

Actuating device for an invalid of plural electrical control cir

Adjustable pressure responsive switch assembly

Adjustment mechanism for pressure switch

Air sensitive user input devices

Airflow switch for air ducts

Airflow velocity switch

Apparatus for controlling start up and stop down of a hydraulic

Apparatus for discriminating between liquid and gaseous flow

Apparatus for monitoring the flow of fluid media in a pipeline

Attitude insensitive automatic reset flow sensor

Bellows

Bellows switch actuator

Bi-directional piloted solenoid-operated valve

Calibration mechanism for a pressure switch

Combination pressure switch

Condition responsive apparatus having an improved motion transfe

Contained pressure activated switch

Control actuator and switch

Coupling- and switch system for subsea electrical power distribu