VAILLANT Package 1.753/3 ecoTEC plus VCI 20/26 CS/1-5, VRC 720/3, VIH CL20S Product advantages: - Standard efficiency 98 % (Hs) / 109 % (Hi) - Modulation up to 1:8 - Self-adapting combustion control to compensate for gas quality fluctuations and for preventive appliance analysis - IoniDetect combustion control system for all gas types - New, modern design and compact appliance dimensions for easy heater replacement - Combi appliance with downstream stratified charge cylinder 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 elements - 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, flow sensor, manometer, 10 liter expansion tank, 20 liter stainless steel cylinder, high-efficiency stratified charge pump, domestic hot water safety valve, 1 liter domestic hot water expansion tank, connecting pipes and cylinder 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 Seasonal space heating efficiency ETA S 94% 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 Cylinder total capacity 20 l Height/Width/Depth 720 mm 440 mm 546 mm 1 x 0010043903 VCI 20/26 CS/1-5 1 x 0010045478 sensoCOMFORT VRC 720/3 Package Energy Eff. Class Hot Water A (A+++ - G) Order No. 8000016547
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