Storage tanks for domestic hot water with or without internal coating, with removable copper or stainless steel heat exchanger. The heat exchanger is suitable for operation with solar collectors or heat pumps, or even for heating with steam.

The material of the container is S235JR quality carbon steel. The tank is assembled with the heat exchanger. The heat exchanger is equipped with food grade EPDM gaskets.

The container has threaded preparation of the thermometer and the immersion sleeve. Periodic maintenance can be performed through the flange.

The insulation is available in several versions:
- Removable soft polyester insulation (F) with PVC coating on the outside.
- Non-removable rigid closed-cell insulation (R), with ABS coating on the outside.
- rigid, but removable polyurethane shell insulation (FC), with PVC coating on the outside.

The tank is protected against corrosion by a magnesium protective anode in the tank.

The maximum allowable working pressure of the container is 6/10 bar.

Maximum operating temperature 80 / 95°C.

The heat exchanger can be operated at a maximum pressure of 12 bar depending on the intended use.

Types:
Univ-ATD: 200-5000 litres, with 1 and 2 removable heat exchangers
ATD-xx6: 200-5000 litres, Keramplast coating, with 1 and 2 removable heat exchangers