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Vaillant ecoTEC pro 28 Combi Boiler

From £1,525.00

The ecoTEC pro range of combination boilers combine the built-in quality, reliability and performance you’d expect from Vaillant, with a simple design and approach.

The range features 24, 28 and 30kW models, making this boiler perfect for homes with a smaller heating and hot water requirements.

At Vaillant we are working towards low carbon solutions today. As part of the HyDeploy project, Vaillant boilers have been tested with up to 20% hydrogen blended with Natural Gas, and we are currently undergoing many tests to each of our boilers to validate their compatibility with up to 20% hydrogen.

*2 years out the box guarantee. 7 year free extended guarantee available when registered through Vaillant Advance.

SKU: N/A Categories: , , , Product ID: 985

Additional information

Weight 32 kg
Dimensions 39 × 28 × 700 cm
Watts

28kw

Flue Options

Boiler Only – NO Flue, Vaillant STD Horizontal Flue Kit 100mm (303933), Vaillant Vertical Flue Kit (20223472)

Features & Benefits

  • Compact dimensions – (720mm x 440mm x 335mm) For flexible siting options
  • Removable side panels and push-fit flue system – For improved accessibility, ease of installation and greater installation flexibility
  • Highly efficient and economical to run – With up to an 89.3% efficiency rating (SAP 2009)
  • Quiet Mark accreditation and Which? Best Buy accredited
  • Fully modulating low NOx burner and fan – For improved energy efficiency
  • Built-in two-stage frost protection – To ensure optimal performance all year round
  • Increased speed of hot water delivery – Thanks to Vaillant’s ‘aquaCOMFORT’ warm start feature
  • Total system solution available from one manufacturer – Intelligent controls and accessories available
  • Dedicated models available for LPG – Giving a solution for off-gas areas
  • Wide modulation range of up to 1:4 – Ensuring low energy consumption and maximum efficiency
  • Compatible with aroTHERM air-to-water heat pump hybrid system – Making the perfect entry into renewable systems
  • Standard 2 year warranty, can be upgraded to a free 7 year warranty when registered through Vaillant Advance

Specifications

Technical data Unit of measure ecoTEC pro 24 ecoTEC pro 28 ecoTEC pro 28 LPG ecoTEC pro 30
General
Boiler type combi combi combi combi
Article number 0010021836 0010021837 0010021838 0010016538
Gas Council number 47-044-88 47-044-89 47-044-90 47-044-52
Boiler dimensions (HxWxD) mm 720 x 440 x 338 720 x 440 x 338 720 x 440 x 338 720 x 440 x 338
Heating
Nominal heat output range at 50/30˚C (Condensing mode) kW 5.9 – 24.8 5.9 – 25.9 6.9 – 25.3 6.9 – 25.7
Nominal heat output range at 80/60˚C (Non condensing mode) kW 5.2 – 23.0 5.2 – 24.0 7.2 – 24.0 6.2 – 24.4
Maximum flow temperature ˚C 85 85 85 85
Flow temperature range ˚C 30 – 85 30 – 85 30 – 85 30 – 85
Flow temperature factory setting ˚C 75 75 75 75
Approximate condensate volume at 50/30˚C litres/hr 1.9 1.9 1.9 2:5
Modulation (max/min) 1 : X 1:4.3 1:5 1:3.6 1:3.8
Domestic Hot Water
Maximum heat output for water generation kW 23.4 27.2 27.2 30
Lowest water pressure to operate boiler bar 0.8 0.8 0.8 0.8
Lowest water flow for operation l/min 2.0 2.0 2.0 2.0
Lowest water pressure for maximum flow rate bar 0.8 0.8 0.8 0.8
Domestic hot water flow rate (at DT = Δ35K) * l/min 9.6 11.1 11.1 12.3
Hot water output temperature range ˚C 35 – 65 35 – 65 35 – 65 35 – 65
Mechanical
Expansion vessel size lites 8 8 8 8
Gas inlet connection (pipe size) mm 15 15 15 15
Heating flow and return connections (pipe size) mm 22 22 22 22
Hot and cold water connections (pipe size) mm 15 15 15 15
Heat exchanger material Stainless/Aluminium Stainless Steel Stainless Steel Stainless Steel Stainless Steel
Boiler lift weight (Dry boiler) kg 38 38 38 39
Performance
NOx 5 5 5 5
Nox (En 15502-2-1) mg/kWh 27 27 28 30
ErP efficiency % 94 94 94 93
ErP decibel rating (sound power) dBa 49 49 49 49
Fluing options
Maximum horizontal flue length 60/100 m 12 12 12 12
Maximum vertical flue length 60/100 m 16 16 16 16
Maximum horizontal flue length 80/125 m 39 39 39 39
Maximum vertical flue length 80/125 m 41 41 41 41