Costruction: steel sheets S235JR EN10025. Fixed spiral heat exchangers with steel pipes S235JR EN10025 welded to the tank.
Flywheel - productor with two fixed exchangers.
Treatment: interior vetrified (EMAIL), applied in an oven at 860°, suitable for use and consumption of potable water.
Cathodic protection: Magnesium sacrificial anodes on threaded cap
Insulation: Mod. RF polyester fibre panel, environmentally friendly and recyclable with Euroclass B s2d0 fire resistance in compliance with UNI ENI 13501-1 standard with strong insulating power.
Mod. RG non-removable rigid polyurethane mod. 220÷600, removable rigid polyurethane cupels for remaining models.
External finish: PVC external finish.