What are the components of the heat exchangers modules and how do they work?

The Therm-Liner heat exchangers are made from 1.4404 stainless steel. The surface is specially designed to achieve the maximum possible energy extraction rate per m² of surface and to keep the build-up of sludge to a minimum. The formation of a biofilm is inevitable to a certain extent, which is something we always take into account when planning a project. Our systems are usually installed at the minimal dry weather flow, so that the required output is guaranteed at all times.
The water in the module is colder than the wastewater in the pipeline, so the wastewater running over the module heats it up. This means that a heat transfer takes place even though the wastewater never comes into contact with the water in the module. The stainless steel acts as the conductor. The heated water flows from the module through a pipe to the central heating system which forms the feed and return line to the heat pump. The systems run on tap water or a mixture of water and glycol. One kWh of heat generated in this way consists of 75% energy from wastewater and only 25% from electricity – this is energy efficiency and climate protection in action.

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