Additionally, a coaxial horizontal flue 3318073 is required.

Model – Ariston CARES S SYSTEM 24
SINGLE-CIRCUIT Condensing boiler with a wide range of functions
Durability, high performance: with stainless steel heat exchanger
• Frequency pump
• LCD display
• Busbridge net communication protocol
• "AUTO", "COMFORT" functions
• Optimized internal muffler
• Modulation ratio 1:5
• Possibility of installation in confined spaces
• Flue diameter – 100/60 mm

ENERGY CHARACTERISTICS
Nominal thermal output kW 20
Thermal output, max/min (80 °C - 60 °C) Pn kW 19.5

Thermal output, max/min (50°C - 30°C) Pn kW 21/ 4.9
Combustion efficiency (measured at flue gas outlet) % 98.4
Efficiency at nominal power (60/80 °С), Hi/Hs % 98 / 88.2

Efficiency at nominal power (30/50 °С), Hi/Hs % 105 / 94.6

Efficiency at 30% of nominal power (30° C) (condensing mode) Hi/Hs % 108.5 / 97.7
Efficiency at minimum power, Hi/Hs % 97.1 / 87.4
HEATING
Expansion tank pressure bar 1
Maximum expansion tank pressure.
Expansion tank volume L 8

ELECTRICAL CHARACTERISTICS
Voltage and frequency V/Hz 230/50
Power W 69
Energy Efficiency Index (EEI) > 0.23
Air temperature not less than °C +5
Protection class IP X5D
Weight kg 26

Dimensions (HxWxD) mm 745*400*319