Delivery address
Collection branch

Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823

505150
Watch video
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823
Hover Over to Zoom In
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823
Vaillant ecoTEC Plus 825 Combi 25kW Gas Boiler ErP 10021823

Overview

  • Patented stainless steel main and secondary heat exchanger
  • Fully modulating low NOx burner and fan
  • Manual pressure gauge
  • Instant hot water delivery in just 5 seconds
  • Wide modulation range of up to 1:6
  • Flame lift detection system
  • Stylish contoured case design with down flap
  • Built-in-two-stage frost protection
  • Quiet Mark accreditation
  • Compatible with auroTHERM air to water heat pump hybrid system

Technical specification

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
25.4 kW
DHW Response 1m from Tap
5 sec
DHW Flow Rate at 35 Degree Rise
10.5 ltrs / min
DHW Output Min and Max
25.4 kW
SEDBUK SAP 2009 Rating
91.20%
SEDBUK SAP 2005 Rating
A
CH Condensing Max Output
19.6 kW
Heat Output
25 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
46 dB
Nox Class
5
Solar Compatible
Yes
Type
Boiler
Years Guaranteed
5
Registered with the Energy Savings Trust
Yes
Manufacturer Model No
10021823
Brand Name
Vaillant

Reviews

Be the first to review this product.
Retail price

£1,726.78

each
£1,438.98 ex. vat
Trade price available
Save with a Trade account
Enter postcode for local availability
Select collection branch for local availability
Please enter your delivery postcode...
Please select your collection branch...

Related products

3 (2 reviews)
Available in outputs of 24, 30 and 35 kW, the Logic+ Combi is designed to ensure a quick and hassle-free installation thanks to concealed connections, built-in automatic bypass and an integral filling loop. A translucent condensate siphon also allows any debris to be spotted quickly and efficiently. Compact in size and fully modulating down to as low as 4.8kW, the Logic+ combi provides excellent energy savings making it the perfect choice for new boiler or boiler replacement installations. Siting a Logic+ combi boiler is quick and simple thanks to a range of installer friendly features such as push and clip flue turret connections and telescopic flue options, plus the in-built frost protection allows you to site the boiler anywhere in the house - even in attics or garages. Not only that, this reliable combi boiler range has a compact size so can be conveniently fitted almost anywhere in the home, even in a kitchen cupboard.
Boiler Type
Combi
Depth
278 mm
Height
700 mm
Width
395 mm
External or Internal
Internal
DHW Output
30.3 kW
DHW Flow Rate at 35 Degree Rise
12.4 ltrs/min
DHW Output Min and Max
30.3kW
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
91.10%
CH Condensing Max Output
25.6 kW
Heat Output
30 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
46
Nox Class
5
Solar Compatible
Yes
Type
Boiler
Years Guaranteed
7
Registered with the Energy Savings Trust
Yes
Manufacturer Model No
215440
Country Origin
UK
Brand Name
Ideal Boilers

£1,310.99

each (Inc. VAT)
Loading...
Loading...
The Vaillant ecoTEC Pro 30 Combi Boiler uses a natural gas fuel supply and is perfect for 2-4 bedroom properties with a single bathroom, and an ensuite 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 30 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 30 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.
ERP Efficiency
93%
ERP Rating
A
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
30 kW
DHW Response 1m from Tap
5 Secs
DHW Flow Rate at 35 Degree Rise
12.3 L
DHW Output Min and Max
30 kW
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
0.9129
CH Condensing Max Output
24.7 kW
Heat Output
30 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
Made To Order
N
Manufacturer Model No
10016538
Brand Name
Vaillant
Range Description
ecoTEC

£1,714.03

each (Inc. VAT)
Loading...
Loading...
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)
Loading...
Loading...
If space is at a premium, the cupboard-size ecoFIT Pure combination boiler from Vaillant is an easy choice. The compact size and optional rear flue fitting means this boiler is ideal for even the snuggest of installations including kitchen cupboards and small cloakroom spaces. The ecoFIT pure? powerful aluminium heat exchanger offers outstanding performance and low energy consumption for any home. When you don't need as much heat, it will reduce itself to just 20% of its maximum output, meaning greater energy efficiency and lower bills. the ecoFIT is also compatible with vSMART technology, providing the ability to control the heating and hot water over the internet.
ERP Rating
A
Boiler Type
Combi
ERP Efficiency
94%
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
Internal
DHW Output
25.2
DHW Flow Rate at 35 Degree Rise
10.4
SEDBUK SAP 2009 Rating
89.30%
SEDBUK SAP 2005 Rating
91%
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
49 dB
Nox Class
5
Type
Boiler
Years Guaranteed
2
Brand Name
Vaillant
Country Origin
UK
Manufacturer Model No
10020389
Made To Order
N

£1,493.71

each (Inc. VAT)
Loading...
Loading...
Ideal Logic+ 30kW Combi Gas Boiler 215440
Ideal Logic+ 30kW Combi Gas Boiler 215440
Available in outputs of 24, 30 and 35 kW, the Logic+ Combi is designed to ensure a quick and hassle-free installation thanks to concealed connections, built-in automatic bypass and an integral filling loop. A translucent condensate siphon also allows any debris to be spotted quickly and efficiently. Compact in size and fully modulating down to as low as 4.8kW, the Logic+ combi provides excellent energy savings making it the perfect choice for new boiler or boiler replacement installations. Siting a Logic+ combi boiler is quick and simple thanks to a range of installer friendly features such as push and clip flue turret connections and telescopic flue options, plus the in-built frost protection allows you to site the boiler anywhere in the house - even in attics or garages. Not only that, this reliable combi boiler range has a compact size so can be conveniently fitted almost anywhere in the home, even in a kitchen cupboard.
£1,310.99 each (Inc. VAT)
Vaillant ecoTEC Pro Combi 30kW Gas Boiler ErP 10016538
Vaillant ecoTEC Pro Combi 30kW Gas Boiler ErP 10016538
The Vaillant ecoTEC Pro 30 Combi Boiler uses a natural gas fuel supply and is perfect for 2-4 bedroom properties with a single bathroom, and an ensuite 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 30 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 30 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.
£1,714.03 each (Inc. VAT)
Vaillant ecoTEC Pro Combi 28kW Gas Boiler ErP 10021837
Vaillant ecoTEC Pro Combi 28kW Gas Boiler ErP 10021837
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.
£1,670.75 each (Inc. VAT)
Valliant ecoFit Pure 825 25kW Combi Gas Boiler ErP 0010020389
Valliant ecoFit Pure 825 25kW Combi Gas Boiler ErP 0010020389
If space is at a premium, the cupboard-size ecoFIT Pure combination boiler from Vaillant is an easy choice. The compact size and optional rear flue fitting means this boiler is ideal for even the snuggest of installations including kitchen cupboards and small cloakroom spaces. The ecoFIT pure? powerful aluminium heat exchanger offers outstanding performance and low energy consumption for any home. When you don't need as much heat, it will reduce itself to just 20% of its maximum output, meaning greater energy efficiency and lower bills. the ecoFIT is also compatible with vSMART technology, providing the ability to control the heating and hot water over the internet.
£1,493.71 each (Inc. VAT)