VAILLANT ECOTEC PRO24 COMBI BOILER 24kw 0010021836
The ecoTEC pro combi boiler is the ideal solution for small-to-medium homes that need instant hot water without the need for a water tank.
Ideal for:
Domestic Hot Water
Heating
Using modulating technology the boiler can adapt itself to provide you with heating only when you need it.
Manufacturer's Guarantee:
- Standard 2-year guarantee, can be upgraded to a free 7-year guarantee when registered through Vaillant Advance.
Product Information
- The ecoTEC pro range of combination boilers combines the built-in quality, reliability, and performance you’d expect from Vaillant, with a simple design and approach.
- The combination range features 24, 28 and 30kW output models, making this the perfect boiler for homes with smaller heating and hot water requirements.
- The ecoTEC pro combination boiler range offers versatile siting options, with ease of installation and service with a push-fit flue system and removable side panels to make life that much easier.
- Vaillant combination boilers are fitted with a flow regulator set to achieve a temperature rise of 42°C. This maintains comfortable bathing and showering during the colder months of the year.
- The bright and easy-to-use display means operating the boiler is super simple.
- It’s Quiet Mark certified (not including the 24kW model), meaning it’s one of the quietest products in its category.
- The ecoTEC pro can adapt itself to give you only the heating you require, lowering your fuel bills.
- Premium parts like the stainless-steel heat exchanger keep everything running smoothly and reliably. Provides superior heat transfer and highly efficient performance.
- Easy installation and maintenance. Accessible layout allows all components to be replaced from the boiler front, with removable side panels for even more access. Step-by-step full text installation wizard helps for quicker set-up.
- Built-in two-stage frost protection Ensures optimal performance all year
- Features Vaillant’s exclusive AquaComfort system Provides quick delivery of hot water at a constant temperature, which reduces unnecessary water wastage.
- Electronic gas and air modulation system Allows precise self-setting gas combustion to improve performance and lower emissions.
- 60/100 push fit flue system with full range of accessories (sold separately)
- 80/125 flue adaptor and system for even longer lengths and installation flexibility (sold separately)
- Boiler Plus compliant with Vaillant controls Install with sensoHOME (Outdoor sensor sold separately and only for single zone systems) , sensoCOMFORT or VRC 700 for a weather compensated system (sold separately).
Product Dimensions
ecoTEC pro 24
ecoTEC pro 28
ecoTEC pro 30
Boiler output
24 kW
28 kW
30 kW
Boiler Ref
0010021836
0010021837
0010016538
Boiler dimensions
(H x W x D)
720 x 440 x 338 mm
720 x 440 x 338 mm
720 x 440 x 338 mm
NOx ErP label
27 mg/kWh
27 mg/kWh
30 mg/kWh
ErP efficiency (heating / DHW)
A / A
A / A
A / A
ErP efficiency
94 %
94 %
93 %
ErP decibel rating (sound power)
49 dB(A)
49 dB(A)
49 dB(A)
Nominal heat output range at 50/30˚C (condensing mode)
5.9 - 24.8 kW
5.9 - 25.9 kW
6.9 - 25.7 kW
Nominal heat output range at 80/60˚C (non condensing mode)
5.2 - 23.0 kW
5.2 - 24.0 kW
6.2 - 24.4 kW
Maximum flow temperature
85 ˚C
85 ˚C
85 ˚C
Maximum heat output for water generation
23.7 kW
27.5 kW
30.3 kW
Lowest water pressure to operate boiler
0.35 bar
0.35 bar
0.35 bar
Domestic hot water flow rate (at ∆t = 35K)
9.6 l/min
11.1 l/min
12.3 l/min
Hot water output temperature range
35 - 65 ˚C
35 - 65 ˚C
35 - 65 ˚C
Expansion vessel size
8 Litres
8 Litres
8 Litres
Heat exchanger material
Stainless steel
Stainless steel
Stainless steel
Gas inlet connection (pipe size)
15 mm
15 mm
15 mm
Heating flow and return connections (pipe size)
22 mm
22 mm
22 mm
Hot and cold water connections (pipe size)
15 mm
15 mm
15 mm


