VAILLANT Package 1.122 Multiple Occupancy 4x VCW 20/26CS/1-5, VRT 350, Flue pipe package Product advantages: - Standard efficiency 98% (Hs) / 109% (Hi) - Modulation up to 1:8 - Self-adaptive Combustion control to compensate for fluctuations in gas quality and for proactive appliance analysis - Combustion control system IoniDetect for all gas types - New, modern design and compact appliance dimensions for easy heating replacement - Combi appliance with integrated domestic hot water preparation based on the instantaneous principle - Aqua-Comfort-System plus, outlet temperature control and hot water without long waiting times - 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 Equipment: - High-efficiency pump - Water pressure sensor, volume flow sensor, manometer, 10 liter expansion vessel, safety valve, compression fitting gas connection - Integral condensing heat exchanger made of stainless steel - Secondary heat exchanger made of stainless steel - Integrated cylinder control with priority diverter valve - eBUS interface - Illuminated graphic display with touch controls - Integrated diagnostic interface Type VCW 20/26 CS/1-5 Output at 50/30 Deg. C (natural gas EE/LL) 3.4 kW 21 kW 80/60 Deg. C (natural gas EE/LL) 3 kW 19.7 kW 80/60 Deg. C (LPG) 4.8 kW 19.7 kW Output for hot water preparation Max 26 kW Standing heat loss at tK70 Deg.C 0.45% Flow/return connection G 3/4 Gas connection Diam. 20 mm Air/flue connection Diam. 60/100 Height/Width/Depth 720 mm 440 mm 348 mm CE PIN CE-0063CU3910 Gas appliance category I2N, I3P Space heating Energy Eff. Class A (A+++ - D) Combi appliance Energy Eff. Class A (A+ - F) 4x 0010043901 ecoTEC plus VCW 20/26CS/1-5 4x 0020124472 Room thermostat 4x 0020014989 Basic connection set 4x 0010038882 Backflow preventer 1x 303516 Basic connection set 1x 303520 Condensing flue pipe 4x 0020016409 Set 7 T-piece DN 100 1x 0020016412 Set 9 Condensate trap Package Energy Efficiency Class Heating A (Spectrum A+++ to G) Package Energy Efficiency Class Hot Water A (Spectrum A+++ to G) Order no. 8000014532
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