It is a rapid exchanger for combined boilers for the instantaneous production of domestic hot water.
This runs through a copper coil wrapped in a series of concentric coils of different diameters.
The primary circuit is connected to the boiler circuit and is defined by a series of cylindrical deflectors that force the water to perform several vertical passages in order to follow rationally the outer surface of the copper tube. Both internal circuits are connected by welding to threaded fittings that allow the installation of the exchanger in the hydraulic circuit.
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