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40kW Combi Boilers

Combi boilers are an efficient and effective way to heat a home and provide hot water from one central unit. The boilers you'll find here have been carefully picked based on brand reputation, warranty, range, fuel type, dimensions and more. Here, you'll find 40kW combi boilers, which are suitable for large homes with around 15–20 radiators. Sift through our filter system to find the perfect 40kW combi boiler for you.

 
 
Filter Results
40 results
ideal-vogue-max-c40-combination-boiler-natural-gas-erp

Ideal Vogue Max C40 40kW Combination Boiler Natural Gas ErP - 218858

Ideal Heating
£1,778.49 inc
VAT
Save £242.54 | Was £2,021.03
✓ 9 In Stock
ideal-vogue-c40-gen2-combination-boiler-natural-gas-erp

Ideal Vogue C40 GEN2 Combination Boiler Natural Gas ErP - 216360

Ideal Heating
£1,729.98 inc
VAT
✓ 6 In Stock
vaillant-ecotec-plus-840-40kw-combi-boiler

Vaillant ecoTEC Plus 840 40kW Combi Boiler - 0010036018

Vaillant
£2,014.99 inc
VAT
✓ 22 In Stock
vaillant-ecotec-plus-940-40kw-combi-boiler

Vaillant ecoTEC Plus 940 40kW Combi Boiler 0010036114

Vaillant
£2,409.12 inc
VAT
✓ 6 In Stock
worcester-bosch-greenstar-8000-40kw-gas-combi-boiler-7736702582

Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler - 7736702582

More Options Available
Worcester
£2,045.89 inc
VAT
✓ 36 In Stock
worcester-bosch-greenstar-8000-40kw-lpg-combi-boiler-7736702587

Worcester Bosch Greenstar 8000+ 40kW LPG Combi Boiler - 7736702587

More Options Available
Worcester
£2,140.04 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue

More Options Available
Worcester
£2,148.68 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue & EasyControl Thermostat White

More Options Available
Worcester
£2,311.58 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue & EasyControl Thermostat Black

More Options Available
Worcester
£2,308.61 inc
VAT
✓ 20 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - EasyControl Thermostat White

More Options Available
Worcester
£2,208.79 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - EasyControl Thermostat Black

More Options Available
Worcester
£2,205.82 inc
VAT
✓ 20 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue

More Options Available
Worcester
£2,182.56 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue & EasyControl Thermostat White

More Options Available
Worcester
£2,345.46 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue & EasyControl Thermostat Black

More Options Available
Worcester
£2,342.48 inc
VAT
✓ 20 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue-comfort-i-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue & Comfort+ I RF Thermostat

More Options Available
Worcester
£2,303.98 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue-comfort-i-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue & Comfort+ I RF Thermostat

More Options Available
Worcester
£2,337.85 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-comfort-i-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Comfort+ I RF Thermostat

More Options Available
Worcester
£2,201.18 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue-comfort-ii-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue & Comfort+ II RF Thermostat

More Options Available
Worcester
£2,304.56 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue-comfort-ii-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue & Comfort+ II RF Thermostat

More Options Available
Worcester
£2,338.44 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-comfort-ii-rf-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Comfort+ II RF Thermostat

More Options Available
Worcester
£2,201.77 inc
VAT
✓ 36 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue-sense-ii-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue & Sense II Thermostat

More Options Available
Worcester
£2,408.29 inc
VAT
✓ 9 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue-sense-ii-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue & Sense II Thermostat

More Options Available
Worcester
£2,442.17 inc
VAT
✓ 9 In Stock
worcester-greenstar-8000-40kw-gas-combi-boiler-sense-ii-thermostat

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Sense II Thermostat

More Options Available
Worcester
£2,305.50 inc
VAT
✓ 9 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-horizontal-flue

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Horizontal Flue

More Options Available
Worcester
£2,242.85 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-horizontal-flue-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Horizontal Flue & EasyControl Thermostat White

More Options Available
Worcester
£2,405.74 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-horizontal-flue-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Horizontal Flue & EasyControl Thermostat Black

More Options Available
Worcester
£2,402.76 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - EasyControl Thermostat White

More Options Available
Worcester
£2,302.94 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - EasyControl Thermostat Black

More Options Available
Worcester
£2,299.97 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-vertical-flue

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Vertical Flue

More Options Available
Worcester
£2,276.71 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-vertical-flue-easycontrol-thermostat-white

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Vertical Flue & EasyControl Thermostat White

More Options Available
Worcester
£2,439.61 inc
VAT
✓ In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-vertical-flue-easycontrol-thermostat-black

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Vertical Flue & EasyControl Thermostat Black

More Options Available
Worcester
£2,436.64 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-horizontal-flue-comfort-i-rf-thermostat

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Horizontal Flue & Comfort+ I RF Thermostat

More Options Available
Worcester
£2,398.14 inc
VAT
✓ 5 In Stock
worcester-greenstar-8000-40kw-lpg-combi-boiler-vertical-flue-comfort-i-rf-thermostat

Worcester Greenstar 8000+ 40kW LPG Combi Boiler - Vertical Flue & Comfort+ I RF Thermostat

More Options Available
Worcester
£2,432.00 inc
VAT
✓ 5 In Stock
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