VAILLANT Package 1.783/2 ecoTEC plus VCI 20/26 CS/1-5, VRT 350, VIH CL20S Product advantages: - Standard efficiency 98% (Hs) / 109% (Hi) - Modulation up to 1:8 - Self-adaptive Combustion control to compensate for 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 heating replacement - Combi appliance with downstream stratified storage tank for high domestic hot water comfort - Integrated domestic hot water preparation via stainless steel heat exchanger with Aqua-Comfort-System plus - Illuminated graphic display with operation via 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 a reliable heat supply Features: - High-efficiency pump - Water pressure sensor, volume flow sensor, manometer, 10 liters ADG, 20 - liter stainless steel storage tank, high-efficiency stratified charging pump, DH-SI valve, - 1 liter domestic water ADG, connection pipes and storage sensor - Integral condensation heat exchanger made of stainless steel - Secondary heat exchanger made of stainless steel - eBUS interface - Illuminated graphic display with touch controls - Integrated diagnostic interface Type VCI 20/26 CS/1-5 Nominal output range 50/30 Grd.C 3.4 kW 21 kW 80/60 Grd.C 3 kW 19.7 kW Flow/return connection G 3/4 Cold/hot water connection G 3/4 Gas connection Diam. 20 mm Air/flue gas connection Diam. 60/100 Weight 55 kg Total storage volume 20 l Height/width/depth 720 mm 440 mm 546 mm 1 x 0010043903 VCI 20/26 CS/1-5 1 x 0020124472 VRT 350 Package Energy Efficiency Class Domestic Hot Water A (A+++ - G) Order No. 8000014446
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