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Reliable gas heat source

To heat your house or apartment with gas, you should start by choosing the right boiler. DEFRO gas boilers are very safe and extremely easy to use devices. Our many years of experience allow us to have great confidence in the devices we produce. For this reason, each DEFRO condensing boiler is covered by a warranty of up to 5 years. To enjoy such long protection of your device, it must be registered and regularly inspected by an authorized service every year.
We are confident in our products, therefore each DEFRO condensing gas boiler is covered by a warranty of up to 5 years.
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DCG COMFORT 25 – 1 F – GLASS

Type: 1 F - single-function
Boiler power: 2,5 - 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
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DCG COMFORT 25 – 1 F – WHITE

Type: 1 F - single-function
Boiler power: 2,5 - 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
Read more

DCG COMFORT 25 – 2 F – GLASS

Type: 2 F - dual-function
Boiler power: 2,5 - 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
Read more

DCG COMFORT 25 – 2 F – WHITE

Type: 2 F - dual-function
Boiler power: 2,5 - 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
Read more

DCG SMART – 1F

Type: 1 F - single-function
Boiler power: 20, 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 20 kW - 47 dB 24 kW - 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
Read more

DCG SMART – 2F

Type: 2 F - dual-function
Boiler power: 20, 24 kW
Maximum useful thermal efficiency (50/30°C): 107,4 %
Degree of electrical protection: IPX4D
Boiler sound intensity level: 20 kW - 47 dB 24 kW - 48 dB
Guarantee: 5 years
Optional equipment - for an additional fee: i-2 Plus controller, i-3 Plus controller, Wifi-OT controller, ST-292 v3 controller, ST-292 v2 controller
Additional information: Control via the Internet is possible after purchasing an internet module with OPEN THERM communication, e.g. WIFI OT
Read more

Warranty for gas boilers for up to 5 years

To enjoy such long protection of your device, you must register the device and undergo mandatory inspections annually by an authorized service. The list of service points is available on our website. Benefits of registering your boiler:
  • receiving dedicated care from a regional service technician,
  • support of the DEFRO technical department,
  • current information about new products,
  • reminders about upcoming inspections,
  • up to 5 years warranty (provided that the warranty conditions are met).
Where to buy Defro devices Show distributor map!

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Do you need device selection?

If you want to install a new heat source, it is worth paying attention to DEFRO devices, a Polish manufacturer with many years of experience in the heating industry. Our specialists will help you choose the right boiler and its power, and distributors and installers will take care of the assembly and commissioning, and all you need to do is enjoy the warmth and comfort. The distribution network of our products is divided into regions for which managers and salespeople are responsible.

Switch to an ecological and economical solution

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Recuperation + free device selection

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High quality
The best components
Guarantee
The best, experienced, fast device service