We have been manufacturing biological wastewater treatment plants in our family business for the third generation. They are environmentally friendly and economical for households, industry and smaller municipalities. High efficiency and stability even in irregular operation are guaranteed by the three-stage bioactive treatment, which we originally developed for fish farming.

We manufacture gas wall hung and stationary condensing boilers and electric boilers. We also offer complete accessories for heating technology such as flue gas extraction, intelligent controllers and thermostats, domestic water tanks, filters and chemicals for heating systems. We specialise in cascade boiler rooms.

We supply water gate valves, fittings, hydrants, pipes, concrete trusses and utility products. We manufacture earth sets, plastic and cast iron manhole covers, grates and fittings. Installation material for water heating and gas. Boilers, boilers, radiators. Universal manhole cover for sewer inspection shafts.