Electrical apparatus and instruments for measuring, signaling, controlling and regulating, namely, controllers, sensors, switches, circuits, connectors and computers; Non-electrical apparatus and instruments for measuring, signaling, controlling and regulating, namely, flowmeters

APPARATUS FOR HEATING, VENTILATING AND AIR CONDITIONING AND STRUCTURAL PARTS THEREOF, NAMELY, AIR HANDLING UNITS, HEAT PUMPS, VENTILATION AND INSTALLATION DUCTS AND NODES, AIR DISTRIBUTORS AND VALVES AS WELL AS COMBINED VENTILATION, HEAT TRANSMISSION AND COOLING DEVICES, IE, OUTLETS