Bosch Condensing Combi Boilers and Boilers

Bosch condensing combi boilers and boilers: 8 series, 25 models, technical data. Installation and service by HYDRATERM.

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Bosch

Condensing Combi Boilers and Boilers

Wall-mounted gas condensing appliances: combi boilers (C), heating-only boilers (P/H) and integrated-cylinder models (WT).

8 series25 models
Bosch

Bosch Condens 1200 W

Compact, lightweight wall-mounted condensing combi boiler.

Power range
5,2 – 26,5 kW
Seasonal heating efficiency
%94
Hot water efficiency
%84
Energy class
A (A+ with outdoor sensor and zone control)
Width × height
395 × 665 mm
Manufacturer’s page ↗
Bosch GC1200W 20/22 C 23
Condens 1200 W

GC1200W 20/22 C 23

Bosch GC1200W 24 C 23
Condens 1200 W

GC1200W 24 C 23

Bosch

Bosch Condens 2300i W

Wall-mounted condensing appliance in combi (C) and heating-only (P) versions.

Power range
2,0 – 25,0 kW
Seasonal heating efficiency
%94
Hot water efficiency
%85
Energy class
A (A+ with a suitable controller)
Dimensions W × H × D
400 × 710 × 300 mm
Weight
36 kg
Manufacturer’s page ↗
Bosch GC2300iW 15 P 23
Condens 2300i W

GC2300iW 15 P 23

Bosch GC2300iW 20 P 23
Condens 2300i W

GC2300iW 20 P 23

Bosch GC2300iW 24 C 23
Condens 2300i W

GC2300iW 24 C 23

Bosch

Bosch Condens 5300i W

Heating-only wall-mounted condensing boiler; connected to the hot water system via an external cylinder.

Power range
1,8 – 29,4 kW
Seasonal heating efficiency
%94
Energy class
A (A+ with a suitable controller)
Max. flow temperature
82 °C
Dimensions W × H
440 × 780 mm
Weight
43 kg
Manufacturer’s page ↗
Bosch GC5300iW 15 P 23
Condens 5300i W

GC5300iW 15 P 23

Bosch GC5300iW 24 P 23
Condens 5300i W

GC5300iW 24 P 23

Bosch

Bosch Condens 5700i W

Condensing appliance with a wide modulation range in combi and heating-only versions; suitable for hydrogen blends of up to 20%.

Power range
1,8 – 35,2 kW
Seasonal heating efficiency
%94
Hot water efficiency
%86
Energy class
A
Dimensions W × H × D
440 × 780 × 365 mm
Weight
43 kg
H₂ blend
up to 20%
Manufacturer’s page ↗
Bosch GC5700iW 15 P 23
Condens 5700i W

GC5700iW 15 P 23

Bosch GC5700iW 24 P 23
Condens 5700i W

GC5700iW 24 P 23

Bosch GC5700iW 35 P 23
Condens 5700i W

GC5700iW 35 P 23

Bosch GC5700iW 24/30 C 23
Condens 5700i W

GC5700iW 24/30 C 23

Bosch GC5700iW 30/35 C 23
Condens 5700i W

GC5700iW 30/35 C 23

Bosch

Bosch Condens 7800i W

Top-of-the-range wall-mounted condensing boiler with outputs up to 50 kW.

Power range
2,7 – 50,0 kW
Seasonal heating efficiency
%94
Energy class
A (A+ with suitable controls)
Max. flow temperature
85 °C
Width
444 mm
Manufacturer’s page ↗
Bosch GC7800iW 20 P 23
Condens 7800i W

GC7800iW 20 P 23

Bosch GC7800iW 30 P 23
Condens 7800i W

GC7800iW 30 P 23

Bosch GC7800iW 40 H 23
Condens 7800i W

GC7800iW 40 H 23

Bosch GC7800iW 50 H 23
Condens 7800i W

GC7800iW 50 H 23

Bosch

Bosch Condens 5300i WT

Wall-mounted condensing combi boiler with a built-in 48-litre hot water tank.

Power range
3,0 – 30,0 kW
Seasonal heating efficiency
%93
Hot water efficiency
%83
Energy class
A (A+ with EasyControl)
Width × height
600 × 900 mm
Weight
70 kg
Manufacturer’s page ↗
Bosch GC5300iWT 24/48 23
Condens 5300i WT

GC5300iWT 24/48 23

Bosch

Bosch Condens 5700i WT

Wall-mounted condensing combi boiler with an integrated stratified hot water tank.

Power range
3,0 – 30,0 kW
Seasonal heating efficiency
%93
Hot water efficiency
%83
Energy class
A (A+ with EasyControl)
Weight
70 kg
Manufacturer’s page ↗
Bosch GC5700iWT 24/42 S 23
Condens 5700i WT

GC5700iWT 24/42 S 23

Bosch

Bosch Condens 7000 WP

High-output wall-mounted condensing boiler for commercial buildings; suitable for cascade installations.

Power range
13 – 146 kW
Seasonal heating efficiency
%94
Dimensions W × H × D
520 × 1.120 × 457 mm
Manufacturer’s page ↗
Bosch GC7000WP 50 23
Condens 7000 WP

GC7000WP 50 23

Bosch GC7000WP 59 23
Condens 7000 WP

GC7000WP 59 23

Bosch GC7000WP 70 23
Condens 7000 WP

GC7000WP 70 23

Bosch GC7000WP 85 23
Condens 7000 WP

GC7000WP 85 23

Bosch GC7000WP 100 23
Condens 7000 WP

GC7000WP 100 23

Bosch GC7000WP 125 23
Condens 7000 WP

GC7000WP 125 23

Bosch GC7000WP 150 23
Condens 7000 WP

GC7000WP 150 23

Technical data compiled from the manufacturer’s Polish website (bosch-homecomfort.com/pl ↗). Models and values may vary by country and over time; the manufacturer’s current documentation is authoritative. HYDRATERM is an independent contractor installing and servicing Bosch products and is not the manufacturer’s official representative.

Which model suits you?

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