ATLANTIC Combi Steatite DS VM150 L combined water heater, 150 l, 2.4 kW, 874039

ATLANTIC Combi Steatite DS VM150 L is a vertical combined domestic hot-water heater equipped with an integrated coil heat exchanger and electric back-up heating. Hot water can be produced either through the heating system or by the built-in 2400 W Steatite electric heating element. Product reference: 874039.

The water heater has a nominal capacity of 150 litres. It is designed for vertical wall-mounted installation and is suitable for systems where the primary source for domestic hot-water production is a boiler or another heating source, with the electric element providing supplementary or back-up heating.

Electric heating is provided by a dry ceramic Steatite heating element rated at 2.4 kW. The heating element is installed inside a protective sleeve and therefore has no direct contact with water, helping to reduce scale deposits on the element and simplifying maintenance.

ATLANTIC specifies the electrical connection for this version as 400 V 3~/230 V. Electric back-up heating from 10 to 60 °C takes approximately 4 hours 10 minutes.

The integrated coil heat exchanger has a surface area of 0.69 m². With a primary flow of 1 m³/h at 80 °C and a secondary circuit temperature of 10/45 °C, ATLANTIC specifies a heat-exchanger output of 16.7 kW.

Under the same manufacturer-specified conditions, hourly hot-water output is 412 l/h. Heat-up time using the heat exchanger at ΔT 55 °C is approximately 40 minutes.

The inner tank is protected by ATLANTIC Diamond-quality enamel, with additional corrosion protection provided by a magnesium anode. The Steatite heating element is protected by an enamel-coated steel sleeve, while the heat exchanger uses an optimised enamelled design.

Maximum tank working pressure is 8 bar, while maximum coil working pressure is 10 bar. Coil pressure drop at a flow rate of 1 m³/h is approximately 30 mbar. ATLANTIC specifies an IP25 protection rating for vertical wall-mounted models.

High-density CFC-free polyurethane insulation helps reduce standing heat losses. The manufacturer specifies minimum storage energy consumption of 1.04 kWh/24 h with stored water at 65 °C and an ambient temperature of 20 °C.

For exact model identifier 874039, EPREL specifies energy-efficiency class C, load profile M, water-heating energy efficiency of 37%, annual electricity consumption of 1385 kWh, thermostat setting of 63.31 °C and indoor sound power level of 15 dB.

ATLANTIC Combi Steatite DS VM150 L 874039 is a 150-litre combined water heater with a 2.4 kW dry ceramic Steatite heating element and a 0.69 m² heat exchanger, allowing domestic hot water to be produced using either the heating system or electricity.

Technical information