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Comparison Hotpoint-Ariston Clas One System 24 RDC 24.4 kW vs Hotpoint-Ariston Genus One System 24 24.4 kW

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Hotpoint-Ariston Clas One System 24 RDC 24.4 kW
Hotpoint-Ariston Genus One System 24 24.4 kW
Hotpoint-Ariston Clas One System 24 RDC 24.4 kWHotpoint-Ariston Genus One System 24 24.4 kW
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Main
Possibility to connect an indirect water heater, indoor and outdoor sensor. Compatible with Sensys thermostat.
Smartphone or PC control
Energy sourcegasgas
Installationwallwall
Typesingle-circuit (heating only)single-circuit (heating only)
Heating area195 m²195 m²
Condensing
Technical specs
Heat output24.4 kW24.4 kW
Min. heat output4.1 kW
Power supply230 V230 V
Power consumption104 W80 W
Coolant min. T35 °С35 °С
Coolant max. T82 °С82 °С
Heating circuit max. pressure3 bar3 bar
Consumer specs
"Summer" mode
Circulation pump
Control busBus BridgeNetBus BridgeNet
Boiler specs
Efficiency
107.4 % /at supply temperature 30/50 °C/
107.4 %
Combustion chamberclosed (turbocharged)closed (turbocharged)
Flue diameter60/100 mm60/100 mm
Max. gas consumption2.75 m³/h2.75 m³/h
Expansion vessel capacity8 L8 L
Expansion vessel pressure1 bar1 bar
Heat exchanger
stainless steel /XtraTech/
Connections
Gas supply3/4"3/4"
Central heating flow3/4"3/4"
Central heating return3/4"3/4"
Safety
Safety systems
gas pressure drop
water overheating
flame loss
draft control
water circulation failure
frost protection
gas pressure drop
water overheating
flame loss
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)770x400x315 mm770x400x315 mm
Weight29.7 kg29.7 kg
Added to E-Catalogaugust 2018march 2018

Min. heat output

The minimum heat output at which the heating boiler can operate in constant mode. Operation at minimum power allows you to reduce the number of on-and-off cycles that adversely affect the durability of heating boilers.

Power consumption

The maximum electrical power consumed by the boiler during operation. For non-electric models (see Energy source), this power is usually low, as it is required mainly for control circuits and it can be ignored. Regarding electric boilers, it is worth noting that the power consumption in them is most often somewhat higher than the useful one since part of the energy is inevitably dissipated and not used for heating. Accordingly, the ratio of useful and consumed power can be used to evaluate the efficiency of such a boiler.

Heat exchanger

The material of the primary heat exchanger, in which thermal energy from hot combustion products is transferred to the heat medium. The efficiency of the boiler, the heating rate and the service life of the unit directly depend on the material of the heat exchanger.

Copper. Copper is a material with the best heat dissipation specs and high corrosion resistance. It heats up quickly, which allows you to save energy during the operation of the heating boiler, has a low roughness coefficient, and has a long service life. The only drawback of this metal is its high cost. Copper heat exchangers are installed in heavy mid-range and premium grade equipment.

Aluminium. Aluminium as a heat exchanger material is characterized by excellent thermal conductivity and long service life. Moreover, it is cheaper than copper. To reduce the cost of production in copper heat exchangers, they try to reduce the wall thickness. You don't need to do this with aluminium.

Cast iron. Boilers with a cast-iron heat exchanger heat up for a long time and cool down slowly, retaining heat for a long time after heating stops. Cast iron is also notable for its high heat capacity and low susceptibility to corrosion. The service life of a cast iron unit can be 30 or 50 years. The reverse side of the coin is the huge weight and size of hea...ting equipment, which is why boilers with cast-iron heat exchangers are produced mainly in floor-standing boilers. In addition, cast iron does not tolerate sudden temperature changes — they can cause cracks.

Steel. Steel heat exchangers in heating boilers are the most widely used. Steel has a combination of high ductility and strength when exposed to high temperatures, is inexpensive, and can be easily processed at production stages. However, steel heat exchangers are susceptible to corrosion. As a result, they are not as durable.

Stainless steel. Stainless steel heat exchangers are rare in heating boilers, which is explained by the high cost of using this material. But they combine the advantages of both cast iron and steel. Stainless steel exhibits high corrosion resistance, resistance to thermal shocks, low inertia, and long service life.
Hotpoint-Ariston Clas One System 24 RDC often compared
Hotpoint-Ariston Genus One System 24 often compared