Weighing, measuring and signaling apparatus and instruments, namely, a control valve that interfaces with a portable computer being a programmed balancing instrument in the nature of an electronic device with electronic differential pressure gauge and micro computer software therefor for measuring, signaling, controlling and checking of flow, temperature, power and differential pressure for hydronic balancing of HVAC systems, differential pressure sensors, pressure measuring apparatus, temperature measuring apparatus; apparatus, systems and instruments for controlling and monitoring, namely, a control valve that is controlled by digital actuators and mechatronic actuators and computers, namely, portable computer programmed electronic instrument to measure pressure and flow; apparatus and systems for programming, namely, time switches; printed circuits; computer software for configuring and controlling valves and actuators for control valves used in HVAC systems, satellite communication and telecommunications computer software for use with HVAC systems, computer software for wireless content delivery and wireless network communications, computer software for processing and transmitting data between HVAC systems and dongle wireless network adapters, computer software for processing and transmitting digital input and output data and formation from apparatus used in HVAC systems; all the aforesaid products for heating, refrigerating ventilation apparatus, conducting and distributing water, temperature control, electricity supply services, air-conditioning and security in buildings; temperature gauges with expandable materials, liquids, steam or with bimetallic elements; electronic regulators and time switches for control valves; transformers; rheostats; replacement parts and fittings for all aforesaid goods; pressure monitoring apparatus for use in connection with heating, refrigerating, ventilating, water flow, water supply, temperature control, sanitary and air-conditioning systems

Apparatus for use in connection with heating, refrigerating, ventilating, water flow, water supply, temperature control, sanitary and air-conditioning systems, namely, valves, control valves, balancing valves, pressure controllers in the nature of pressure regulators all for use in HVAC systems; pressure regulators for use in connection with heating, refrigerating, ventilating, water flow, water supply, temperature control, sanitary and air-conditioning systems; control valves for use in connection with heating, refrigerating, ventilating, water flow, water supply, temperature control, sanitary and air-conditioning systems; control valves for heating installations, water supply and sanitary installations; fittings for heating installations, water supply and sanitary installations; one-way and multi-way valves as parts for heating, water supply and sanitary installations; multi-way valves as parts for heating, water supply and sanitary installations; swing valves for heating, water supply and sanitary installations; balancing valves, combined balancing and regulating valves as parts of heating installations; decompression valves as parts for heating, water supply and sanitary installations; check valves as parts of heating, water supply and sanitary installations; reducing valves for heating, water supply and sanitary installations; pressure control valves and pressure valves for heating, water supply and sanitary installations; throttle valves for heating, water supply and sanitary installations; electrostatically controlled metal valves for heating, water supply and sanitary installations; shut-off valves for heating, water supply and sanitary installations; multi-way valves for heating, water supply and sanitary installations; replacement parts and fittings for all aforesaid goods