VAILLANT Package 1.737/3 ecoTEC plus VC 30 CS/1-5, VRC 720/3 connection accessories 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 heating replacement - Illuminated graphic display with operation via touch elements - Display for setting and monitoring internal - Appliance functions and for operating the single-circuit controller sensoDIRECT 710 - Comfort protection program for a reliable heat supply Equipment: - High-efficiency pump - Water pressure sensor, volume flow sensor, manometer, 10 litre ADG, safety valve, compression fitting gas connection - Integral condensing heat exchanger made of stainless steel - Control of an external heating circuit/ circulation pump and a storage tank charging circuit integrated - Priority switching valve - eBUS interface - Illuminated graphic display with touch controls - Integrated diagnostic interface Heating output at 50/30 Deg.C Natural gas E, Natural gas LL (Min - Max) 4.3-33.3 kW Heating output at 80/60 Deg.C Natural gas E, Natural gas LL (Min - Max) 4.0-30.0 kW Heating output in domestic hot water mode Natural gas E, Natural gas LL (Max) 34.8 kW Seasonal room heating efficiency ETA S 94% Storage charging capacity max. 34.8 kW Standard efficiency Hs/Hi 110% Flow/return connection G 3/4 Gas connection Diam. 20 mm Height/Width/Depth 720 mm 440 mm 348 mm Weight (empty) 39 kg Water content 2.6 l DVGW Product ID No. II2N3P 1 x 0010043900 VC 30 CS/1-5 1 x 0010045478 sensoCOMFORT VRC 720/3 1 x 0020201897 VC installation set, new installation Package Energy Eff. Class Heating A+ (A+++ - G) Order no. 8000016519
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