System Sensor OSY2 Supervisory Switch SK-RELAY With its weatherproof construction

With its weatherproof construction

Optional trim ring available for customized installations

The Simplex 4099-9004 can be retrofitted to be a NO GRIP manual station using 4098-9805

System Sensor B501-WHITE 4 Inch Base

System Sensor OSY2 Supervisory Switch SK-RELAY With its weatherproof constructionSystem Sensor OSY2 Supervisory Switch OSY2 supervisory switches are used to monitor the open position of an outside screw and yoke type gate valve. OSY2 supervisory switches feature a user friendly mounting bracket and adjustable shaft to permit mounting to most outside screw and yoke valves, ranging in size from 1 to 12 inches. Their right angle design and wide bracket span provide maximum clearance for valve components to accommodate troublesome