Physical, electric and electronic measuring, control and regulating devices, included in this class, in particular for solar-powered, oil-fired or gas-fired heating, refrigerating, ventilating and water supply apparatus, water heaters, in particular instantaneous water heaters, storage water heaters, combined central heating or service water heaters, boilers, burners and heat accumulating apparatuses, namely, electrical controlling devices, thermostats, room thermostats; apparatus and instrum...

valves and parts thereof and fittings therefore for use in installations for heating, steam generating, cooking, ventilating, cooling and drying, water supply and sanitary purposes

Physical, electric and electronic measuring, control and regulating devices, included in this class, in particular for solar-powered, oil-fired or gas-fired heating, refrigerating, ventilating and water supply apparatus, water heaters, in particular instantaneous water heaters, storage water heaters, combined central heating or service water heaters, boilers, burners and heat accumulating apparatus, namely, electrical controlling devices, thermostats, room thermostats; apparatus and instrumen...