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Worcester Bosch Combi Gas Boilers

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Shop our extensive range of combi gas boilers for on demand heating and hot water. Choose from a range of styles designed to be mounted on walls or standing freely on floors. Up to 6-years guarantee on selected models.
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Worcester Greenstar 8000 Life 30kW Combi NG White 7738100800
Product Code: 432188
Worcester Greenstar 8000 Life 30kW Combi NG White 7738100800
Retail price

£1,606.36

each
£1,338.63 ex. vat
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Worcester Greenstar 8000 Style 30kW Combi NG  Black 7738100832
Product Code: 432129
Worcester Greenstar 8000 Style 30kW Combi NG Black 7738100832
Retail price

£1,893.31

each
£1,577.76 ex. vat
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Worcester Greenstar 8000 Style 50kW Combi NG Black 7738100836
Product Code: 432179
Worcester Greenstar 8000 Style 50kW Combi NG Black 7738100836
Retail price

£3,057.46

each
£2,547.88 ex. vat
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Worcester Greenstar 8000 Life 40kW Combi NG White 7738100802
Product Code: 432165
Worcester Greenstar 8000 Life 40kW Combi NG White 7738100802
Retail price

£2,151.30

each
£1,792.75 ex. vat
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Worcester Greenstar 8000 Style 45kW Combi NG White 7738100798
Product Code: 432134
Worcester Greenstar 8000 Style 45kW Combi NG White 7738100798
Retail price

£2,874.12

each
£2,395.10 ex. vat
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Worcester Greenstar 8000 Style 40kW Combi NG White 7738100797
Product Code: 432178
Worcester Greenstar 8000 Style 40kW Combi NG White 7738100797
Retail price

£2,211.35

each
£1,842.79 ex. vat
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Worcester Greenstar 8000 Life 50kW Combi NG White 7738100804
Product Code: 432878
Worcester Greenstar 8000 Life 50kW Combi NG White 7738100804
Retail price

£3,182.10

each
£2,651.75 ex. vat
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Worcester Greenstar 2000 30kW Combi Boiler
Product Code: 577272
Worcester Greenstar 2000 30kW Combi Boiler
Retail price

£1,053.35

each
£877.79 ex. vat
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Worcester Greenstar 8000 Style 50kW Combi NG White 7738100799
Product Code: 432061
Worcester Greenstar 8000 Style 50kW Combi NG White 7738100799
Retail price

£3,057.46

each
£2,547.88 ex. vat
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Worcester Greenstar 8000 Style 45kW Combi NG Black 7738100835
Product Code: 432092
Worcester Greenstar 8000 Style 45kW Combi NG Black 7738100835
Retail price

£2,683.73

each
£2,236.44 ex. vat
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Worcester Greenstar 8000 Style 30kW Combi NG White 7738100795
Product Code: 432175
Worcester Greenstar 8000 Style 30kW Combi NG White 7738100795
Retail price

£1,810.99

each
£1,509.16 ex. vat
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Worcester Greenstar 8000 Life 45kW Combi NG White 7738100803
Product Code: 432877
Worcester Greenstar 8000 Life 45kW Combi NG White 7738100803
Retail price

£2,801.39

each
£2,334.49 ex. vat
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Worcester Greenstar 8000 Style 35kW Combi NG Black 7738100833
Product Code: 432186
Worcester Greenstar 8000 Style 35kW Combi NG Black 7738100833
Retail price

£2,156.90

each
£1,797.42 ex. vat
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Worcester Greenstar 32CDi Compact Combi Gas Boiler ErP 7733600055
5 (1 review)
Product Code: 968502
Worcester Greenstar 32CDi Compact Combi Gas Boiler ErP 7733600055
Retail price

£1,572.71

each
£1,310.59 ex. vat
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Worcester Greenstar 4000 30kW Combi 7733600373
Product Code: 749159
Worcester Greenstar 4000 30kW Combi 7733600373
Retail price

£1,503.14

each
£1,252.62 ex. vat
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Worcester Greenstar 36CDi Compact Combi Gas Boiler ErP 7733600056
Product Code: 968503
Worcester Greenstar 36CDi Compact Combi Gas Boiler ErP 7733600056
Retail price

£1,750.42

each
£1,458.68 ex. vat
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Worcester Greenstar 4000 25kW Combi 7733600371
Product Code: 749077
Worcester Greenstar 4000 25kW Combi 7733600371
Retail price

£1,236.40

each
£1,030.33 ex. vat
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Worcester Greenstar 28CDi Compact Combi Gas Boiler ErP 7733600054
2 (1 review)
Product Code: 968501
Worcester Greenstar 28CDi Compact Combi Gas Boiler ErP 7733600054
Retail price

£1,313.12

each
£1,094.27 ex. vat
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Worcester Greenstar 2000 25kW Combi Boiler
Product Code: 577276
Worcester Greenstar 2000 25kW Combi Boiler
Retail price

£981.79

each
£818.16 ex. vat
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Worcester Greenstar 8000 Life 35kW Combi NG White 7738100801
Product Code: 432144
Worcester Greenstar 8000 Life 35kW Combi NG White 7738100801
Retail price

£1,927.79

each
£1,606.49 ex. vat
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Showing 1—20 items of 20

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With a central heating output of 25 kW and a hot water flow rate of 10.4 litres/min the Glow-worm Energy 25C combi boiler is a popular choice for use in smaller properties such as flats, apartments and houses with 1-2 bedrooms and 1 bathroom. As a new ErP compliant boiler, the 25C has been built to meet the new EU regulations concerning energy efficiency and, as an A-rated boiler model, you can rest assured you will be getting a high efficiency heating performance, something that can be seen in utility bills benefit in the long run. The Energy 25C model features a super-efficient aluminium heat exchanger that is designed to last a lot longer than your typical copper or alloy heat exchangers. The innovatively designed heat exchanger is extremely quiet and emits little sound during operation. The 25C boiler model is nice and compact too so can fit in most typical kitchen cupboard spaces, helping to free up room in the home by hiding the boiler away out of sight.
ERP Efficiency
93%
ERP Rating
A
Boiler Type
Combi
Depth
280 mm
Height
700 mm
Width
390 mm
Maximum Horizontal Flue 100mm
10 m
Maximum Horizontal Flue 125mm
25 m
Maximum Vertical Flue 100mm
10 m
Maximum Vertical Flue 125mm
25 m
External or Internal
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DHW Output
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DHW Response 1m from Tap
5 secs
DHW Flow Rate at 35 Degree Rise
10.4l/min
DHW Output Min and Max
5 kW
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
90.90%
CH Condensing Max Output
19.1 kW
Heat Output
25 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
49 dB
Nox Class
5
Solar Compatible
N
Type
Boiler
Years Guaranteed
7
Registered with the Energy Savings Trust
Yes
Made To Order
N
Manufacturer Model No
10015652
Brand Name
Glow-Worm

£1,164.83

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The Vaillant ecoTEC plus range of high efficiency boilers combine fantastic efficiency levels and high performance with great usability. Thanks to continuous modulation and real combustion control by a multi-sensor system, they achieve high efficiency at the lowest emissions. Due to the boiler's fantastic efficient performance, hot water heats up in just 5 seconds, meaning no hot water tanks are necessary. Vaillant Combi Boilers are highly efficient and deliver a top SEDBUK Band 'A' rated fuel efficiency and powerful domestic hot water performance. Easy to install, a simple step by step wizard is included to provide a quicker 'first time right' set up, and removable side panels allow for greater access to the internal components, meaning the boiler will produce hot water as quickly as possible.
Boiler Type
Combi
Depth
372 mm
Height
720 mm
Width
440 mm
Maximum Horizontal Flue 100mm
5.5 m
Maximum Horizontal Flue 125mm
32 m
Maximum Vertical Flue 100mm
8 m
Maximum Vertical Flue 125mm
34 m
External or Internal
Internal
DHW Output
35 kW
DHW Response 1m from Tap
5 Secs
DHW Flow Rate at 35 Degree Rise
14.3 ltrs / min
DHW Output Min and Max
35 kW
SEDBUK SAP 2009 Rating
91.51%
SEDBUK SAP 2005 Rating
A
CH Condensing Max Output
30.4 kW
Heat Output
35 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
46 dB
Nox Class
5
Solar Compatible
Yes
Type
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Years Guaranteed
5
Registered with the Energy Savings Trust
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Brand Name
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£2,011.44

each (Inc. VAT)
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The Vaillant ecoTEC Pro 24 Combi Boiler uses a natural gas fuel supply and is perfect for 1-3 bedroom properties with a single bathroom and is typically popular for installation in small to medium sized houses, flats and bungalows. Vaillant's ecoTEC Pro range of combi boilers offers some of the best value boilers on the market, offering renowned quality at the best possible price. The Pro 24 combi boiler is also fully compliant with the latest ErP regulations, so you can rest assured that you are getting one of the most efficient and reliable boilers around. The Vaillant Pro 24 combi boiler is able to supply the central heating and hot water by heating the mains water supply, negating the need for a hot water cylinder or cold water feed tank, thus saving space and installation time, and providing hot water on demand.
Boiler Type
Combi
Depth
338 mm
Height
720 mm
Width
440 mm
Maximum Horizontal Flue 100mm
12 m
Maximum Horizontal Flue 125mm
39 m
Maximum Vertical Flue 100mm
12 m
Maximum Vertical Flue 125mm
41 m
External or Internal
Internal
DHW Output
23.4 kW
DHW Response 1m from Tap
5 Secs
DHW Flow Rate at 35 Degree Rise
9.6 L
DHW Output Min and Max
23.4 kW
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
91.29%
CH Condensing Max Output
28.9 kW
Heat Output
24 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
49 dB
Nox Class
5
Solar Compatible
Yes
Type
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Years Guaranteed
2
Registered with the Energy Savings Trust
Yes
Brand Name
Vaillant

£1,535.38

each (Inc. VAT)
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5 (1 review)
The Vaillant ecoTEC Pro 28 Combi Boiler uses a natural gas fuel supply and is perfect for 2-3 bedroom properties with a single bathroom and is typically popular for installation in small to medium sized houses, flats and bungalows. Vaillant's ecoTEC Pro range of combi boilers offers some of the best value boilers on the market, offering renowned quality at the best possible price. The Pro 28 combi boiler is also fully compliant with the latest ErP regulations, so you can rest assured that you are getting one of the most efficient and reliable boilers around. The Vaillant Pro 28 combi boiler is able to supply the central heating and hot water by heating the mains water supply, negating the need for a hot water cylinder or cold water feed tank, thus saving space and installation time, and providing hot water on demand.
Boiler Type
Combi
Depth
338 mm
Height
720 mm
Width
440 mm
Maximum Horizontal Flue 100mm
12 m
Maximum Horizontal Flue 125mm
39 m
Maximum Vertical Flue 100mm
12 m
Maximum Vertical Flue 125mm
41 m
External or Internal
Internal
DHW Output
27.2 kW
DHW Response 1m from Tap
5 Secs
DHW Flow Rate at 35 Degree Rise
11.1 L
DHW Output Min and Max
27.2 kW
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
91.29%
CH Condensing Max Output
19.1 kW
Heat Output
28 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
49 dB
Nox Class
5
Solar Compatible
Yes
Type
Boiler
Years Guaranteed
2
Registered with the Energy Savings Trust
Yes
Brand Name
Vaillant

£1,670.75

each (Inc. VAT)
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Glow-worm Energy Combi 25kW Gas Boiler
Glow-worm Energy Combi 25kW Gas Boiler
With a central heating output of 25 kW and a hot water flow rate of 10.4 litres/min the Glow-worm Energy 25C combi boiler is a popular choice for use in smaller properties such as flats, apartments and houses with 1-2 bedrooms and 1 bathroom. As a new ErP compliant boiler, the 25C has been built to meet the new EU regulations concerning energy efficiency and, as an A-rated boiler model, you can rest assured you will be getting a high efficiency heating performance, something that can be seen in utility bills benefit in the long run. The Energy 25C model features a super-efficient aluminium heat exchanger that is designed to last a lot longer than your typical copper or alloy heat exchangers. The innovatively designed heat exchanger is extremely quiet and emits little sound during operation. The 25C boiler model is nice and compact too so can fit in most typical kitchen cupboard spaces, helping to free up room in the home by hiding the boiler away out of sight.
£1,164.83 each (Inc. VAT)
Vaillant ecoTEC Plus 835 Combi 35kW Gas Boiler ErP 10021822
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Vaillant ecoTEC Pro Combi 28kW Gas Boiler ErP 10021837
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£1,670.75 each (Inc. VAT)