ULTEGRA

Checking apparatus and instruments, namely, for controlling heating; thermostats

Heating systems, heating boilers; hot water treatment systems, namely, central heating, oil, gas and wood heating, heating with solid fuel and heating with pellets; boiler; heating boiler, burner, buffer tank; thermostatic valves [parts of heating installations]; installations for transporting and storage containers for fuel pellets, being parts of pellet heating systems; solar heating systems for hot water preparation; solar collectors (heating and hot water); heat pumps