18 DEMETRAENInstall the range keeping free air entrance to the intake grid in the back.Provide a thermal exhaust device to the boiler.It is very important for your safety to respect the minimal safety distance of the stove fromflammable materials in its neighbourood (see GENERAL INSTALLATION page 23).10.7 CONNECTION DIAGRAM CIRCULATION DEVICE THERMOSTATFig. 18 - Wiring scheme10.8 WIRING DIAGRAM CIRCULATION DEVICE THERMOSTATFig. 19 - Wiring scheme