optiflow

Checking (supervision), control and regulating apparatus for heating, water heating, combined heating and water heating, and ventilating apparatus, powered by electricity, oil, gas, geothermal heat, solar power, ambient air heat or renewable fuels, for solar collectors and pumps and for parts for the aforesaid goods. Heating, water heating, combined heating and water heating, and ventilating apparatus, solar collectors and pumps and parts for the aforesaid goods, powered by electricity, oil, gas, geothermal heat, solar power, ambient air heat or renewable fuels; in particular fittings and replacement parts; in particular room and building heaters, instantaneous water heaters, storage water heaters, circulation water heaters, air heaters, hot water tanks, solar hot water tanks, instantaneous water heating apparatus, circulation water heating apparatus, storage water heating apparatus, water and air heaters, bath water and drinking water heaters, wall-mounted boilers, tankless water heating apparatus, tankless drinking water heaters, for central and/or decentral heating and hot water supplying, being in the form of wall-mounted, floor-standing apparatus or apparatus for installation, in particular wall installation, and individual assemblies therefor, in particular heat exchangers, heating boilers, burners, heat accumulators; photovoltaic collectors. Assembly, installation and repair of heating, water heating, combined heating and water heating, and ventilating apparatus, solar collectors and pumps and parts for the aforesaid goods, powered by electricity, oil, gas, geothermal heat, solar power, ambient air heat or renewable fuels; consultancy and planning with regard to the operating and repair of heating and hot water systems, and telephone call centre and hotline services in the field of maintenance and emergency services (repair).