VAILLANT Package 1.670/2 ecoTEC plus VC 25 CS/1-5, VRC 710, connection accessories Product benefits: - 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 - 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 protection program for reliable heat supply Features: - High-efficiency pump - Water pressure sensor, flow rate sensor, manometer, 10 litre expansion vessel, 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 diverting 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) 3.4-26.4 kW Heating output at 80/60 Deg.C natural gas E, natural gas LL (Min - Max) 3.0-24.7 kW Heating output in hot water mode natural gas E, natural gas LL (Max) 27.5 kW Seasonal room heating efficiency ETA S 94% Max. storage charging power 27.8 kW Standard efficiency Hs/Hi 110% Flow/return connection G 3/4 Gas connection Dia. 20 mm Height/width/depth 720 mm 440 mm 348 mm Weight (empty) 34 kg Water content 2.1 l DVGW Product ID No. II2N3P 1 x 0010043899 VC 25 CS/1-5 1 x 0020274790 sensoDIRECT VRC 710 1 x 0020201897 VC installation set, New installation Package Energy Efficiency Class Heating A (A+++ - G) Order no. 8000013963
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