Physics apparatus, electrical and electronic devices for measuring, controlling and regulating, namely, heat regulating apparatus, valve operators, water temperature regulators, temperature limiters, hydrostats, exhaust gas measuring, controlling and regulating apparatus, programmers for washing machines, dryers and dishwashers, thermostats and sensors

Heating, cooking, drying and ventilating apparatus designed to operate on electricity, fuel oil or gas, in particular instant water heaters/flow heaters, storage water heaters/flow heaters, shell-type water heater boilers, dual-purpose boilers for central heating and domestic hot water production, boilers as well as components as part of the abovementioned goods, heat accumulators, central heating apparatus, namely, standard and high-powered single- and dual-function condensing boilers, standard dual-function boilers, heat pumps, open-and closed-chamber water heaters/flow heaters, solid-fuel boilers, exhaust gas systems comprising of air-combustion cables, flue adapters, air adapters, coaxial adapters, pipes, seals, roof panels, radiators, expansion tanks, gas fire boilers for heating interiors, multifunction gas fire boilers for heating interiors with additional tap water heating function, gas fire boilers with water cylinders, gas fire tap water heaters, tap water cylinders of various capacities in the nature of tap-water purifying apparatuses, heat pumps for tap water heating and for space heating, where heat is recovered from the environment, namely, air, water or ground

Installation, maintenance and repair of heating apparatus, namely, standard and high-powered single- and dual-function condensing boilers, standard dual-function boilers, heat pumps, open-and closed-chamber water heaters/flow heaters, solid-fuel boilers, exhaust gas systems, radiators, expansion tanks, as well as components as part of the abovementioned goods, gas fired tap water heaters, tap water cylinders, heat pumps for tap water heating and for space heating, where heat is recovered from the environment, air, water or ground, gas fire boilers for heating interiors, multifunction gas fire boilers for heating interiors with additional tap water heating function, hydrostats, thermostats, temperature limiters, programmers for washing machines, dryers and dishwashers