Construction: S235JR EN10025 quality steel sheet. Fixed spiral heat exchangers with S235JR EN10025 steel tubes welded to the tank. Inspection and cleaning flange or for integration (on DHW tank).
Buffer tank - manufacturer without fixed heat exchanger, preparer - storage tank for DHW in enamelled steel (email)
Treatment: internal vitrification (email), suitable for drinking water use and consumption.
Cathodic protection: Magnesium sacrificial anodes on threaded cap.
Insulation: Non-removable rigid polyurethane for model 500 and 700 and flexible polyurethane for the remaining models/polyester fibre panel, environmentally friendly and recyclable with Euroclass B s2d0 fire resistance according to UNI ENI 13501-1 with insulating power.