| GENERAL CHARACTERISTICS ITEM DESCRIPTION | AIR PNEUMATIC; CASE MATERIAL IS DIE CAST ALUMINUM; ENCLOSURE TYPE IS DIE CAST ZINC; MAXIMUM OVERALL DEPTH 3 1/16 IN.; MAXIMUM O/A WIDTH 4 3/4 IN.; MAXIMUM O/A HEIGHT 7 7/8 IN.; SPECIAL FEATURES INCLUDE PNEUMATIC CONTROLLER FOR TRANSMISSION SYSTEMS HVAC. THE RECEIVER CONTROLLER IS DESIGNED FOR USE IN PNEUMATIC TRANSMISSION SYSTEMS TO CONTROL DAMPERS,VALVES; OTHER DEVICES INCLUDE COVER,PRESSURE ELEMENT 0 TO 30 PSIG GAGE AND GRADUATED DIAL |