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BAXI Duo-Tec Compact E 1.24 24.7 kW
230 V

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High efficiency single circuit (heating only) condensing gas boiler with closed combustion chamber, digital control system and continuous electronic burner modulation technology. It is the only single-circuit model in the popular BAXI Duo-Tec Compact line, positioned as a mid-range product in 2021. Designed for hanging wall mounting, it can be used for organizing heating in cottages, large apartments, office or utility rooms up to 198 m². It is an energy efficient solution with a turbocharged combustion chamber, which makes it possible to install it directly in residential areas. Compared to classic boilers, it has a noticeably higher efficiency, which, with the same heat output, provides significant gas savings (up to 8% when operating in the 30% capacity mode). Such a significant effect...is achieved due to the additional cooling of the combustion products, which makes it possible to extract the latent heat of condensation of water vapor present in hot flue gases. The heat exchanger of the BAXI Duo-Tec Compact E 1.24 boiler is made of AISI 316L stainless chromium-nickel-molybdenum steel, the highest corrosion resistance of which guarantees a long service life.
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BAXI Duo-Tec Compact E 1.24 24.7 kW
230 V
Energy source:gas
Mount:wall, single-circuit
Boiler power:24.7 kW, area ~ 198 m²
Combustion chamber:closed, flue 60/100, 80/80 mm

High efficiency single circuit (heating only) condensing gas boiler with closed combustion chamber, digital control system and continuous electronic burner modulation technology. It is the only single-circuit model in the popular BAXI Duo-Tec Compact line, positioned as a mid-range product in 2021. Designed for hanging wall mounting, it can be used for organizing heating in cottages, large apartments, office or utility rooms up to 198 m².

It is an energy efficient solution with a turbocharged combustion chamber, which makes it possible to install it directly in residential areas. Compared to classic boilers, it has a noticeably higher efficiency, which, with the same heat output, provides significant gas savings (up to 8% when operating in the 30% capacity mode). Such a significant effect is achieved due to the additional cooling of the combustion products, which makes it possible to extract the latent heat of condensation of water vapor present in hot flue gases. The heat exchanger of the BAXI Duo-Tec Compact E 1.24 boiler is made of AISI 316L stainless chromium-nickel-molybdenum steel, the highest corrosion resistance of which guarantees a long service life.

All specifications
Specifications Duo-Tec Compact E 1.24
Main
Energy sourcegas
Installationwall
Typesingle-circuit (heating only)
Heating area198 m²
Condensing
Technical specs
Heat output24.7 kW
Min. heat output3.9 kW
Power supply230 В
Power consumption99 W
Coolant min. T25 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
Consumer specs
"Summer" mode
Circulation pump
Boiler specs
Efficiency108.8 % / at 30% power /
Combustion chamberclosed (turbocharged)
Flue diameter60/100, 80/80 mm
Max. gas consumption2.61 m³/h
Expansion vessel capacity7 L
Expansion vessel pressure0.8 bar
Heat exchangerstainless steel
Connections
Gas supply1/2"
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)700x400x299 mm
Weight30 kg
Official Websitebaxi.ua
Added to E-CatalogMarch 2021
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog BAXI 2026 - new arrivals, bestsellers, and the most relevant models BAXI.

Durable, efficient operation

The single-circuit BAXI Duo-Tec Compact E 1.24 boiler with a 24.7 kW output combines the key advantages of modern heating equipment. The main components are made of reliable materials: a stainless steel heat exchanger, a brass hydraulic group, a Grundfos pump, and an upgraded control board. This setup guarantees stable, long-term operation without unexpected failures. The condensing principle with intelligent gas-air mixture delivery ensures a high η of 108.8% and economical fuel consumption — a maximum of 2.61 m³/h, which is more cost-effective compared to many more powerful counterparts. The boiler easily adapts to different conditions: it is not sensitive to water quality, compatible with propane and methane, and supports connecting an indirect DHW tank for DHW during the heating season. A 1:7 modulation ratio with a minimum output of 3.9 kW allows a “standby heating” mode at 25 °C, while the maximum 24.7 kW is sufficient to heat a house or space of about 200 m².

Electronics advantages

All boiler functions are controlled by electronics. The large, informative display makes start-up, setup, and servicing simple thanks to an intuitive menu. Despite the lack of “smart home” integration, the unit supports connection of external thermostats for more flexible temperature control and scheduling. The boiler features comprehensive protection: against overheating, gas pressure drops, flame failure, no draft, freezing, and water circulation faults. Additional thermal and acoustic insulation of the casing ensures quiet, comfortable operation without disturbing the room’s coziness.