Trustpilot

iC Combination

i24C i28C i36C i40C

Every ATAG boiler carries a 12-year warranty as standard, with an option of 18 years!

The compact, high performance, intelligent boiler.

Due to its compact size, an ATAG iC combination boiler will not only look great in your customer’s home but when in operation is among the quietest you can buy. With simple to use controls, including a separate hot water thermostat for added safety, they are extremely user friendly. Also, with extensive flue solutions, you can site the ATAG boiler almost anywhere you like.

The ATAG iC range is fully compatible with the ATAG ONE Zone or Tado V3+ Smart controller. 

Get a quote User manual Installation & Servicing Key Features Specification

Key features and benefits

compact

Compact dimensions

h700 x w440 x d366 (mm)

models

Four models available

24kW, 28kW, 36kW and 40kW

warranty

Up to 18 years warranty

Including all parts and labour

user-friendly

Completely user friendly

with intuitive controls

save

Save on gas bills

Save up to £320 on your gas bills

(www.energysavingtrust.org.uk - April 2017)

instant

Instant hot water

With pre-heat facility

erp-a

ErP "A" rated

Achieves ErP ‘A’ rating for heating and hot water

loved

Loved by customers

ATAG is the UK’s highest rated boiler brand on Trustpilot

  • A 275 mm (deep) model is available to fit inside kitchen cupboards
  • 12 years warranty as standard with the option of 18 years
  • Wall fixing jig for quicker, easier installation
  • ATAG iCon stainless steel heat exchanger – with its unique lifetime replacement guarantee
  • Detailed fault codes on LCD display for quicker, more accurate boiler diagnostics
  • Built in weather compensator gives impressive efficiency benefits and increased comfort
  • Boiler Plus compliant
  • Control the system via smartphone using the ATAG ONE or Tado V3+ Smart controller
  • Quiet in operation due to bottom up modulation
  • Built in frost protection device

Specifications

i24C
i28C
i36C
i40C

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Part Number

BC100324

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

ERP WATER HEATING ENERGY EFFICIENCY CLASS

A

ERP WATER HEATING ENERGY EFFICIENCY (%)

81

ERP DECLARED LOAD PROFILE

XL

DHW INPUT KW

26.6

CH OUTPUT KW

23.2

FLOW RATE @ 35°C RISE L/MIN

10.1

SEDBUK 2009 (%)

89.7

DIMENSIONS (H X W X D) MM

700 x 440 x 355

BOILER LIFT WEIGHT WITH JIG KG

41

STANDARD WARRANTY (YEARS)

10

LPG CONVERSION KIT AVAILABLE

Yes

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 60/100MM

15

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 60/100MM

15

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 80/125MM

50

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 80/125MM

50

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Part Number

BC100328

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

ERP WATER HEATING ENERGY EFFICIENCY CLASS

A

ERP WATER HEATING ENERGY EFFICIENCY (%)

83

ERP DECLARED LOAD PROFILE

XL

DHW INPUT KW

30.3

CH OUTPUT KW

23.2

FLOW RATE @ 35°C RISE L/MIN

11.5

SEDBUK 2009 (%)

89.7

DIMENSIONS (H X W X D) MM

700 x 440 x 355

BOILER LIFT WEIGHT WITH JIG KG

41

STANDARD WARRANTY (YEARS)

10

LPG CONVERSION KIT AVAILABLE

Yes

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 60/100MM

15

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 60/100MM

15

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 80/125MM

50

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 80/125MM

50

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Part Number

BC100336

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

ERP WATER HEATING ENERGY EFFICIENCY CLASS

A

ERP WATER HEATING ENERGY EFFICIENCY (%)

83

ERP DECLARED LOAD PROFILE

XL

DHW INPUT KW

39.3

CH OUTPUT KW

31.2

FLOW RATE @ 35°C RISE L/MIN

14.9

SEDBUK 2009 (%)

89.7

DIMENSIONS (H X W X D) MM

700 x 440 x 355

BOILER LIFT WEIGHT WITH JIG KG

44

STANDARD WARRANTY (YEARS)

10

LPG CONVERSION KIT AVAILABLE

Yes

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 60/100MM

9

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 60/100MM

9

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 80/125MM

45

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 80/125MM

45

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Part Number

BC100340

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

ERP WATER HEATING ENERGY EFFICIENCY CLASS

A

ERP WATER HEATING ENERGY EFFICIENCY (%)

83

ERP DECLARED LOAD PROFILE

XL

DHW INPUT KW

42.0

CH OUTPUT KW

31.2

FLOW RATE @ 35°C RISE L/MIN

16.2

SEDBUK 2009 (%)

89.7

DIMENSIONS (H X W X D) MM

700 x 440 x 355

BOILER LIFT WEIGHT WITH JIG KG

44

STANDARD WARRANTY (YEARS)

10

LPG CONVERSION KIT AVAILABLE

Yes

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 60/100MM

9

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 60/100MM

9

MAXIMUM EQUIVALENT HORIZONTAL FLUE LENGTH (M) 80/125MM

45

MAXIMUM EQUIVALENT VERTICAL FLUE LENGTH (M) 80/125MM

45

OneZone (3)-1

OneZone

Control the temperature in your home remotely using the ATAG One Zone App, available for FREE on the App Store or Google Play.

View the OneZone
Cylinders

Cylinders

Need replacement cylinders? Check out our range to see which one each boiler requires.

View all cylinders
Flyer Water Treatment Pack

Chemicals and filters

We have a range of chemicals and filters that can be used with our boilers.

View all chemicals and filters

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