The Vaillant ecoTEC Plus 835 is a high efficiency combination boiler that is ideal for medium to large sized homes with up to 2 bathrooms. The Vaillant ecoTEC plus range of High performance, control and efficiency. Vaillant Combi Boiler has Vaillants AquaComfort system to delivers hot water within 5 seconds (and no need for a storage tank or cylinder.)*

The Vaillant ecoTEC Plus 835 is a high efficiency combination boiler that is ideal for medium to large sized homes with up to 2 bathrooms. The Vaillant ecoTEC plus range of High performance, control and efficiency. Vaillant Combi Boiler has Vaillants AquaComfort system to delivers hot water within 5 seconds (and no need for a storage tank or cylinder.)*

• Stylish contoured case design with drop down flap


• Built-in two-stage frost protection


• Highly efficient and economical to run


• Instant hot water delivery in just 5 seconds*


• Flame lift detection system


• Quiet Mark accreditation


• Compatible with aroTHERM air to water heat pump hybrid system


• Standard 5 year warranty extended to 7 years when installed by a Vaillant Advance installer

The Vaillant Combi Boiler Specification :

Name : Vaillant ecoTEC Plus 835 Combi Boiler ErP - 0010021822
Product Code : 167731
MPN : 0010021822
EAN : 4024074806654
Type : Gas Boiler
Sub Type : Combi Boiler
Model : ecoTEC Plus
Colour : White
Width (mm) : 440
Height (mm) : 720
Depth (mm) : 372
Weight (Kg) : 38
Output (Kilowatts) : 35
ErP central Heating Efficiency : A
ErP Water Heating Efficiency : A
Noise Level (Decibels) : 45
Flow Rate (L/min) : 14.3
Fuel : Natural Gas
Mounting : Wall
Warranty (Years) : 5 (Standard)