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Chaffoteaux ALIXIA ULTRA 24 FF 25.8 kW

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Gas double-circuit boiler with a useful heat output of 25.8 kW. Designed for heating and hot water supply of detached houses and large city apartments with a total area of up to 205 m2. Equipped with a closed type combustion chamber and forced removal of flue gases using a smoke exhauster. Such constructive solutions, as well as a quiet circulation pump, allow you to mount the boiler directly in a residential area. The heat exchanger of the primary circuit, which is responsible for heating the heating system coolant, is made of a heat-resistant and durable alloy of aluminium and silicon, hot water in the secondary circuit is heated in a stainless steel plate apparatus. Modulation of the burner flame allows you to precisely adjust the power of the Chaffoteaux ALIXIA ULTRA 24 FF boiler, and...it is possible to independently control the temperature of the hot water circuit. The device demonstrates an impressive performance of the DHW subsystem, it is able to produce up to 14 L / min of warm (about 40 °C) and up to 9.5 L / min of hot water (about 50 °C). The electronic microprocessor control is equipped with an LCD screen, has a clear user interface and is designed to connect a remote simple or programmable thermostat. Numerous security systems are responsible for the safe operation of the boiler in emergency situations. Made in Italy with a 2 year warranty.
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Chaffoteaux ALIXIA ULTRA 24 FF 25.8 kW
15 kW
19 kW
25.8 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:25.8 kW, area ~ 206 m²
Combustion chamber:closed, flue 60/100, 80/125 mm
DHW temperature:from 36 °С, up to 60 °С

Gas double-circuit boiler with a useful heat output of 25.8 kW. Designed for heating and hot water supply of detached houses and large city apartments with a total area of up to 205 m2. Equipped with a closed type combustion chamber and forced removal of flue gases using a smoke exhauster. Such constructive solutions, as well as a quiet circulation pump, allow you to mount the boiler directly in a residential area.

The heat exchanger of the primary circuit, which is responsible for heating the heating system coolant, is made of a heat-resistant and durable alloy of aluminium and silicon, hot water in the secondary circuit is heated in a stainless steel plate apparatus. Modulation of the burner flame allows you to precisely adjust the power of the Chaffoteaux ALIXIA ULTRA 24 FF boiler, and it is possible to independently control the temperature of the hot water circuit.

The device demonstrates an impressive performance of the DHW subsystem, it is able to produce up to 14 L / min of warm (about 40 °C) and up to 9.5 L / min of hot water (about 50 °C). The electronic microprocessor control is equipped with an LCD screen, has a clear user interface and is designed to connect a remote simple or programmable thermostat. Numerous security systems are responsible for the safe operation of the boiler in emergency situations. Made in Italy with a 2 year warranty.

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications ALIXIA ULTRA 24 FF
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area206 m²
Technical specs
Heat output25.8 kW
Power supply230 V
Power consumption112 W
Coolant min. T35 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure7 bar
Consumer specs
DHW min. T36 °С
DHW max. T60 °С
Performance (ΔT=25°C)13.5 L/min
Performance (ΔT ~30 °C)9.6 L/min
"Summer" mode
Circulation pump
Boiler specs
Efficiency93.7 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100, 80/125 mm / 80/80 for split flue /
Inlet gas pressure20 mbar
Max. gas consumption2.01 m³/h
Expansion vessel capacity8 L
Expansion vessel pressure1 bar
Connections
Mains water intake1/2"
DHW flow1/2"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
frost protection
More specs
Dimensions (HxWxD)770x400x315 mm
Weight28 kg
Added to E-Catalogoctober 2017
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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