Add-In Boiler (heat exchanger), welded from thick stainless steel 1.4003, for heating of service water or to connect a small radiator (heating output: approx. 1 kW) .
This small boiler is placed inside of the oven and replaces the rear fireclay plate.
The pipe connectors for the hot water circuit are 1"and situated at the back. Outlet openings in the back of the oven are pre-fabricated.