The cupboard-size Combi boiler with Horizontal Flue and Advance Filter Protection Kit.

Features of Vaillant ecoFIT Pure 825 ErP Combi Boiler:

• High performance build, smart controls and efficiency.
• Quiet Mark approved, meaning it’s one of the quietest products in its category.
• Top and rear flue options on all boiler models - Allows flexible siting options and installs in various property types.
• Compact, cupboard fit solution - Small boiler footprint, offering flexibility of siting, including a cupboard-fit.
• Clear LED display - Offers visibility in dimly lit areas for easier installation and use.
• Easy installation and maintenance - Accessible layout that allows all components to be replaced from the boiler front.
• Recognisable Vaillant fault codes - Making it easy to diagnose faults.
• High-specification aluminium heat exchanger - Designed to last longer, maintain easily, and reduce energy bills.
• High-quality components - Offering peace of mind for the lifetime of the product.
• 4-sided cooling and water agitation of the heat exchanger - Reducing stress on the heat exchanger for longer life reliability and reduced maintenance costs.
• Compatible with Vaillant’s intelligent range of controls - For the most convenient and energy efficient system, saving on energy bills.
• ErP 'A' rated.
• Standard 2 year warranty, can be upgraded to a free 7 year warranty when registered through Vaillant Advance.

Features of Standard Horizontal Flue:

• The Vaillant Standard Horizontal Flue part no. 303933 is suitable for the entire range of Vaillant boilers.
• It has Push Fit Connection so you will have everything you will need to connect your flue to your boiler.
• Stylish white finish.

Features of Advance Filter Protection Kit:

• Made from the highest quality brass, to a unique design that complements the ecoFIT range.
• Supplied with a 22mm isolation valve for simple and quick drain-down of the filter for maintenance and cleaning.
• It has a maximum operating pressure of 3Bar.
• Hard wearing stainless steel mesh that collects nonmagnetic debris and blocks sludge from entering the boiler.
• 500ml volume capacity that allows for easy dosing of chemicals.
• Full 360° rotatable head provides ease of access to the dosing point available underneath the filter.

Technical Data of Vaillant ecoFIT Pure 825 ErP Combi Boiler:

• Brand - Vaillant
• Range - ecoFIT
• Article No. - 0010020389
• Product Type - Combi Boiler
• Colour - White
• Signature Model Output - 25kW
• Depth- 295mm
• Width - 390mm
• Height -700mm
• ErP Rating - Water A / Heat A
• Gas Council Number - 47-044-68
• Nominal Heat Output Range at 50/30°C (Condensing Mode) - 5.3-19.1kW
• Nominal Heat Output Range at 80/60°C (Non Condensing Mode) - 5-18.3kW
• Maximum Flow Temperature - 80°C
• Flow Temperature Range - 10-80°C
• Flow Temperature Factory Setting - 75°C
• Approximate Condensate Volume at 50/30°C - 1.84ltr/hr
• Modulation (Max/Min) - 1 : 5
• Maximum Heat Output For Water Generation - 25.2kW
• Lowest Water Pressure to Operate Boiler - 0.3Bar
• Lowest Water Flow For Operation - 2.0ltr/min
• Lowest Water Pressure For Maximum Flow Rate - 2Bar
• Domestic Hot Water Flow Rate (At DT = Delta35K) - 10.4ltr/min
• Hot Water Output Temperature Range - 35-60°C
• Expansion Vessel Size - 8ltr
• Gas Inlet Connection (Pipe Size) - 15mm
• Heating Flow And Return Connections (Pipe Size) - 22mm
• Hot And Cold Water Connections (Pipe Size) - 15mm
• Heat Exchanger Material - Aluminium
• Boiler Lift Weight (Dry Boiler) - 32Kg
• NOx Class - 5
• NOx (EN 15502-2-1) - 39mg/kWh
• ErP Efficiency - 94%
• ErP Decibel Rating (Sound Power) - 49dBa
• Maximum Horizontal Flue Length 60/100 - 10mtr
• Maximum Vertical Flue Length 60/100 - 10mtr
• Maximum Horizontal Flue Length 80/125 - 25mtr
• Maximum Vertical Flue Length 80/125 - 25mtr
• Rear Flue Options - Yes

Technical data of Standard Horizontal Flue:

• Material - Plastic
• Colour - White
• Flue Length - 754mm
• Diameter - 100mm
• Angle - 87°

Technical data of Advance Filter Protection Kit:

• Material - Brass
• Capacity - 500ml
• Valve Diameter - 22mm
• Filtration Efficiency Average - 80%
• Drain Point Connection - Standard ¾"
• Maximum Operating Temperature - 90°C
• Maximum Operating Pressure - 3Bar

Vaillant Combi Boiler Restart Pack consists of:

• ecoFIT Pure 825 ErP Combi Boiler article no. 0010020389
• Vaillant (NEW) ERP Flue Horizontal 100x725mm - 0010039324
• Advance Filter Protection Kit part no. 0010035819

Standard Horizontal Flue Kit consists of:

• Horizontal air / flue duct
• Internal trim ring Ø 100mm