Trustpilot

iR Regular

i15R i18R i24R i32R i40R

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

ATAG iR boilers are available in various outputs from 15kW to 40kW and are suitable for most homes, regardless of the hot water demand. An ATAG iR regular boiler can also be installed with our iSteel range of hot water cylinders for increased efficiency levels.

iR regular boilers are specifically designed for open vented systems, presenting considerable options for larger homes with higher volume hot water needs.

An ATAG iR regular boiler can also be installed with our iSteel range of hot water cylinders for increased efficiency levels.

Get a Quote User Manual Installation & Servicing Key Features Specification

Key features and benefits

compact

Compact dimensions

h700 x w440 x d366 (mm)

compact

Five models available

15kW, 18kW, 24kW, 32kW, 40kW

compact

Up to 18 years warranty

Including all parts and labour

compact

Completely user friendly

with intuitive controls

compact

Quiet in operation

Due to bottom-up modulation

compact

Frost protection

With built-in frost protection

compact

ErP "A" rated

Achieves ErP ‘A’ rating for heating and hot water

compact

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
  • ATAG iCon stainless steel heat exchanger – with its unique lifetime replacement guarantee
  • Supplied with fixing jig as standard, for rear piping up behind the boiler
  • Factory pre-set for speedier commissioning
  • Detailed fault codes on LCD display for quicker, more accurate boiler diagnostics
  • Compatible with underfloor systems with easy change of parameter settings
  • Fully compatible with solar thermal hot water systems and ATAG iSteel twin coil cylinder range
  • Fully compatible with ATAG iSteel cylinder range
  • Wide modulation range delivers significant fuel savings
  • Control the system via smartphone using the ATAG ONE or Tado V3+ smart controller

Specifications

i15R
i18R
i24R
i32R
i40R

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Part Number

BR400315

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

CH OUTPUT KW (50/30°C)

14.7

SEDBUK 2009 (%)

89.8

DIMENSIONS (H X W X D) MM

700X440X355

BOILER LIFT WEIGHT WITH JIG KG

32

STANDARD WARRANTY (YEARS)

10

LPG AVAILABLE

YES

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

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

18

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

50

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Part Number

BR400318

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

CH OUTPUT KW (50/30°C)

17.5

SEDBUK 2009 (%)

89.8

DIMENSIONS (H X W X D) MM

700X440X355

BOILER LIFT WEIGHT WITH JIG KG

32

STANDARD WARRANTY (YEARS)

10

LPG AVAILABLE

YES

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

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

18

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

50

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Part Number

BR400324

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

CH OUTPUT KW (50/30°C)

23.2

SEDBUK 2009 (%)

89.8

DIMENSIONS (H X W X D) MM

700X440X355

BOILER LIFT WEIGHT WITH JIG KG

32

STANDARD WARRANTY (YEARS)

10

LPG AVAILABLE

YES

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

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

18

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

50

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Part Number

BR400332

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

CH OUTPUT KW (50/30°C)

31.2

SEDBUK 2009 (%)

89.8

DIMENSIONS (H X W X D) MM

700X440X355

BOILER LIFT WEIGHT WITH JIG KG

35

STANDARD WARRANTY (YEARS)

10

LPG AVAILABLE

YES

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

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

6

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

45

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Part Number

BR400340

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASS

A

ERP SEASONAL SPACE HEATING ENERGY EFFICIENCY (%)

94

CH OUTPUT KW (50/30°C)

38.8

SEDBUK 2009 (%)

89.8

DIMENSIONS (H X W X D) MM

700X440X355

BOILER LIFT WEIGHT WITH JIG KG

42

STANDARD WARRANTY (YEARS)

10

LPG AVAILABLE

YES

NOX CLASS

6

INGRESS PROTECTION (IP)

IPX4D

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

6

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

45

3

OneZone

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

OneZone Smart Controller
2

Cylinders

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

View all Cyclinders
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

Interested in becoming a ATAG Selected Partner?

If you’re interested in becoming a ATAG Selected Partner, simply click on the button below to submit your form. If you’d like more information about our boilers, why not book a demo below?

Become a registered installer Book a Product Demo