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EAN:
Part number:
Item no:
Technical specifications
- Material heat exchanger: Stainless steel
- Material quality: Steel sheet
- Closed version: Yes
- Operation as open (air supply) version possible: Yes
- Condensing: Yes
- Boiler system: Flame pipe
- Nominal power 80-60 °C: 26.2 kW
- Nominal power 50-30 °C: 28.1 kW
- Nominal load upper value: 28.1 kW
- Rated load lower value: 7.7 kW
- Adjustable heating power: Yes
- Electronic ignition: Yes
- Medium: water.
- Suitable for natural gas: Yes
- Suitable for propane: Yes
- Suitable for butane: No.
- Suitable for methane: No.
- For class II fuel oil: No.
- For class I fuel oil: No.
- At delivery completely assembled: Yes
- Control signal on/off: Yes
- Burner control high/low: No.
- Modulating burner regulation: Yes
- Max. Cycle temperature (working temperature): -85°C.
- Max. Permissible operating pressure: 3 bar
- Min Operating pressure 0.3 bar
- Efficiency level 108 %/100 %
- Max. Gas footprint 25 mbar
- Min Gas footprint 18 mbar
- Water-sided resistance at DT 20 °C: 0.6 kPa
- Frequency: 50 Hz
- Built-in filling/emptying tap: Yes
- Built-in pump circuit: Yes
- Built-in train interruption: No.
- In-built circulation pump: No.
- In-built pressure gauge: No.
- In-built weather-dependent controller: No.
- Built-in expansion tank: No.
- Built-in relief valve: No.
- Height: 1257 mm
- Width 570 mm
- Depth: 691 mm
- Outflow connection: Outer thread
- Pipe outer diameter of inlet: 33.249 mm
- Return connection: External thread
- Pipe outer diameter Return: 33.249 mm
- Fuel connection: Internal thread
- Pipe outer diameter of fuel: 26.441 mm
- Connection air supply: Insert
- Nominal diameter duct air supply: 125 mm
- Smoke extraction connection: Insert
- Nominal diameter channel flue gas discharge: 80 mm
- Condensate connector: Other
- Pipe outer diameter condensate:21 mm
- Energy efficiency Hot water: 100%
- Energy efficiency class: A
- Heat dissipation at nominal heat discharge in operation at high temperature (P4): 26.023 kW
- Efficiency at high temperature (n4) nominal heat emission: 87.3%
- Additional power consumption at full load (elmax): 0.045 kW
- Additional power consumption in standby mode (PSB): 0.006 kW
- Product type
Gas-fired condensing boiler
- Operating voltage
0 V
28.9 kW
- Heater features
Web-enabled
- Dim
(L x W x H) 570 x 570.00 x 1257.00 mm
- Weight
100 kg
A (A+++ - D)
- Width
570.00 mm
- Height
1257.00 mm
- Length
570 mm
- Depth
691.00 mm
- Material
Non-corrosive steel
- Nominal voltage
0 V
- UKCA
not relevant
Documents & Downloads
User & Safety Instructions
User & Safety Instructions 3148683 Vaillant VKK 286/4 E-Gas Gas-fired condensing boiler A (A+++ - D)
Description
EcoVIT exclusive VKK 286/4 gas condensing boiler Product advantages, minimum gas consumption through the most modern condensing boiler technology, modulating controlled power, Aqua condenser system for optimum utilization of calorific value even in storage charging, large water content, EBus-Electronic, System Pro E equipment, condensing boiler made of stainless steel, water pressure sensor, boiler circuit with STB, test button, Display for diagnosis and troubleshooting, installation field for the Vaillant weather-controlled MultiMatic 700 and MultiMatic 700F heating controllers, prepared for connection of the system-certified Vaillant air/exhaust guides, DIA system with clear-text display, illuminates Gas type Natural gas E nominal power range 40/30°C 8.1-27.5 kW 60/40°C 8.5-28.9 kW max. thermal load. Heating operation 27.0 kW Standard usage degree 98 % (HS) / 109 % (Hi) condensation quantity at 40/30°C, approx. 3.0 l/h pH-value, approx. 3.2 Supply temperature max. 85°C Electrical connection 230/50 V/Hz Supply/Return connection Rp 1 Gas connection Rp 3/4 Air/Exhaust connection 80/125 mm Height/Width/Depth 1257/570/691 mm Own weight 100 kg Water content 100 l CE PIN CE-0085BU0038 Gas device category I2ELL, I3P Seasonal room heating energy efficiency class A (Spectrum A+++++ to D)
This text is machine translated.
This text is machine translated.
Accessories
(*All information is plus legal VAT)The necessary accessories are required to use the article as described.
