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BAXI LUNA Duo-tec E 28 28 kW

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A condensing boiler designed for heating houses up to 224 m² with simultaneous heating of water for hot water supply. The device is equipped with a modulating burner (modulation ratio 1:7), allowing flexible control of the equipment power (from 3.9 kW to 28 kW) and the water temperature in the heating circuits (from 25 °C to 80 °C) and DHW (from 35 °C to 60 °C). Due to the use of the energy of condensation of water vapor contained in the flue gases, the BAXI LUNA Duo-tec E 28 boiler is highly fuel efficient (gas consumption does not exceed 3.06 m³/h when operating in maximum power mode). The device is equipped with an energy-efficient circulation pump and a modulating fan. The burner and primary heat exchanger are made of high-quality AISI 316L stainless steel. The boiler has a built-in cl...imate controller (requires installation of an external temperature sensor) and a set of safety systems, including protection against overheating of water in the circuit, flame extinguishing on the burner, lack of draft in the chimney, drop in gas pressure in the main line, etc.
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BAXI LUNA Duo-tec E 28 28 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:28 kW, area ~ 224 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:from 35 °С, before 60 °С

A condensing boiler designed for heating houses up to 224 m² with simultaneous heating of water for hot water supply. The device is equipped with a modulating burner (modulation ratio 1:7), allowing flexible control of the equipment power (from 3.9 kW to 28 kW) and the water temperature in the heating circuits (from 25 °C to 80 °C) and DHW (from 35 °C to 60 °C). Due to the use of the energy of condensation of water vapor contained in the flue gases, the BAXI LUNA Duo-tec E 28 boiler is highly fuel efficient (gas consumption does not exceed 3.06 m³/h when operating in maximum power mode).

The device is equipped with an energy-efficient circulation pump and a modulating fan. The burner and primary heat exchanger are made of high-quality AISI 316L stainless steel. The boiler has a built-in climate controller (requires installation of an external temperature sensor) and a set of safety systems, including protection against overheating of water in the circuit, flame extinguishing on the burner, lack of draft in the chimney, drop in gas pressure in the main line, etc.

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications LUNA Duo-tec E 28
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area224 m²
Condensing
Technical specs
Heat output28 kW
Min. heat output3.9 kW
Power supply230 V
Power consumption99 W
Coolant min. T25 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure8 bar
Consumer specs
DHW min. T35 °С
DHW max. T60 °С
Performance (ΔT=25°C)16.1 L/min
Performance (ΔT ~30 °C)11.5 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency105.8 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm / 80/80 for split flue /
Inlet gas pressure20 mbar
Max. gas consumption3.06 m³/h
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
water circulation failure
frost protection
More specs
Dimensions (HxWxD)763x450x345 mm
Weight38.5 kg
Added to E-Catalogjuly 2019
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Information in model description is for reference purposes.
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