Weighing apparatus and instruments; apparatus and instruments for weighing, measuring, signaling, automation, control and supervision, namely, portable computer programmed balancing instrument with electronic differential pressure gauge and micro computer program for measuring, signaling, control and checking of glow and differential pressure, computer hardware, computer operating system software, integrated circuits, and prerecorded software for measuring differential pressures, flow rates and temperatures of fluids within conduits, and parts therefor, all the afore-mentioned goods for use in heating, cooling, ventilation, water supply, temperature and moisture adjustment, lighting, power supply, air conditioning and security devices in buildings; room thermostats, temperature sensors with tensor of elasticity, liquid or vapor or bimetallic elements; time controls for controlling valves; transformers; rheostats

Control valves, namely, thermostatic valves as parts of heating installations; plumbing fittings, namely, one or two-way valves and balancing valves and fittings therefor for heating, cooling, steam generating, ventilation, water supply, air conditioning and sanitary purposes in buildings; Pressure reducing valves, volume regulation valves and metal thermostatic control valves, all as part of heating and cooling installations and installations for degasification of water and for the separation of gas and water; thermostatic accessories for valves as part of heating and cooling installations and installations for degasification of water and for the separation of gas and water, namely, pressure regulators for water or gas apparatus and pipes; steam valves; manually operated plumbing valves for air conditioners; plumbing valves, namely, presetting valves, shut-off valves, drainage valves, reset valves, valves for measuring pressure drop in fluids, flow valves, and valves for regulating flow, pressure, and/or temperature of water in conduits