Vaillant ecoTEC plus VCW 20/26CS/1-5 Condensing Gas Wall-Mounted Boiler

1 ecoTEC plus VCW
1 appliance holder
1 drain pipe and fittings for the safety valve
1 condensate drain line
1 conversion kit to LPG
1 bag with small parts (mounting kit)
1 operating manual
1 installation/maintenance manual
1 installation manual for the air/flue gas system
1 mounting template
1 warranty card
1 product data sheet, energy efficiency label, various stickers

Seasonal space heating energy efficiency 98% (Hs) / 109% (Hi)

Modulation up to 1:8

Self-adaptive combustion control for compensating gas quality fluctuations and for proactive appliance analysis

IoniDetect combustion control system for all gas types

New, modern design and compact appliance dimensions for easy boiler replacement

Combi appliance with integrated instantaneous domestic hot water preparation

Aqua-Comfort-System plus, outlet temperature control and hot water without long waiting times

Illuminated graphic display with touch controls

Display for setting and monitoring internal appliance functions as well as for operating the single-circuit controller sensoDIRECT 710

Comfort assurance program for reliable heat supply
Operation with up to 20% hydrogen, 100% bio-natural gas or 100% bio-LPG possible as standard
H2 Ready: Can be converted for operation with 100% hydrogen*High-efficiency pump
Water pressure sensor, flow rate sensor, manometer, 10 liter expansion vessel, safety valve, compression fitting gas connection
Integrated condensation heat exchanger made of stainless steel
Secondary heat exchanger made of stainless steel
Integrated storage control with priority diverter valveBUS interface
Illuminated graphic display with touch controls
Integrated diagnostic interface

*Applies to all ecoTEC plus 1-5 appliances produced from 01.01.2024. Conversion kit required, see manufacturer's declaration.