{"product_id":"wolf-gasbrennwert-zentrale-cgw-2-20-120l-mit-hochleistungsschichtenspeicher","title":"Wolf CGW-2-20\/120L Gas Condensing Central Heating Unit with High-Performance Stratified Storage Tank","description":"Consisting of a gas condensing boiler for operation with natural gas E, LL or LPG with a stainless steel domestic hot water heat exchanger and a stainless steel stratified storage tank in modular design.\u003cbr\u003eFactory-set for natural gas E, LL, convertible to LPG.\u003cbr\u003eTested according to EC directives and DIN EN 483 for heating systems according to DIN EN 12828 with flow temperatures up to 90° C and 3 bar permissible operating pressure, suitable for continuously lowered operation down to room temperature.\u003cbr\u003ePower modulated, gas-adaptive, self-calibrating combustion control with premix burner for extremely low pollutant emissions and changing gas quality, closed combustion chamber for room air-dependent and -independent operation.\u003cbr\u003eSpeed-controlled fan.\u003cbr\u003eCasing white RAL 9016 powder-coated.\u003cbr\u003eHigh standard seasonal efficiency up to 110% (Hi) \/ 99% (Hs) for best possible energy utilization.\u003cbr\u003eConditions of the \"Blue Angel\" environmental label according to RAL UZ61 when operated with natural gas.\u003cbr\u003eLow CO and NOx emissions.\u003cbr\u003eContinuously modulating heat output from 1.8 kW.\u003cbr\u003eLowest power consumption in standby mode of 3W.\u003cbr\u003eModulating high-efficiency pump (EEI \u003c 0.23) for automatic adjustment of the volume flow.\u003cbr\u003eFor maintenance, the heating water heat exchanger can be swiveled out under system pressure without draining heating water.\u003cbr\u003eEasy maintenance thanks to coated heating water heat exchanger Wolf \"ALUPro\".\u003cbr\u003eQuick installation, easy operation and maintenance with convenient access to all components.\u003cbr\u003eEasy flue gas measurement from the outside without opening the device.\u003cbr\u003eOptimal condensing utilization through spread control without overflow valve.\u003cbr\u003eSuitable for multiple occupancy according to DVGW worksheet G635 due to integrated flue gas backflow prevention.\u003cbr\u003eWarning message for low water pressure by electronic heating water pressure sensor.\u003cbr\u003eIntegrated 3-way diverting valve for switching between heating and domestic hot water operation.\u003cbr\u003eControl with gas burner control unit, electronic ignition and ionization flame monitoring, 10l expansion vessel, hanging bracket, pressure gauge for the heating circuit, electronic pressure sensor, integrated connection piece for the air\/flue gas duct with concentric connection 60\/100 mm with measuring openings.\u003cbr\u003eHigh-performance stainless steel stratified storage tank with integrated comfortable domestic hot water preparation, which outperforms a coiled storage water heater with 100, 120 or 140 litres.\u003cbr\u003eDomestic hot water turbo with stainless steel guide and distribution system for hot and cold water for quiet, radial water distribution and excellent domestic hot water performance (European patent application).\u003cbr\u003eHigh operating cost savings through efficient domestic hot water preparation and innovative insulation technology with integrated annular gap system (utility model protection).\u003cbr\u003eControlled storage tank charging for highest energy efficiency through effective condensing utilization (European patent granted).\u003cbr\u003eCompact design as a condensing unit and docked stratified storage tank for lowest assembly and installation costs.\u003cbr\u003eGas condensing central unit electrically and hydraulically ready for connection.\u003cbr\u003eFor installation, easily and quickly separable into two transportable modules of 35 kg and 19 kg.\u003cbr\u003ePrepared for the installation of the LAN\/WLAN module ISM-7i for communication via smartphone, laptop, PC or the Internet.\u003cbr\u003eAn operating module BM-2 or a display module AM is required for operation.\u003cbr\u003eTechnical data:\u003cbr\u003eEnergy efficiency class: Room heating A, Domestic hot water preparation A\u003cbr\u003eCoated heat exchanger\u003cbr\u003eNominal heat output (heating\/domestic hot water operation)\u003cbr\u003eat 80\/60°C: 3.8 - 18.9kW\u003cbr\u003eat 50\/30°C: 4.4 - 20.4kW\u003cbr\u003eNominal load: 22.2kW\u003cbr\u003emin. heat load (mod.) 3.8kW\u003cbr\u003eFlue gas temperature (Qmax\/Qmin)\u003cbr\u003eat 80\/60°C: 70\/50°C\u003cbr\u003eat 50\/30°C: 30\/25°C\u003cbr\u003eStandard seasonal efficiency (HI\/Hs)\u003cbr\u003eat 40\/30°C: 110\/99%\u003cbr\u003eat 75\/60°C: 107\/96%\u003cbr\u003eFlow temperature max.: 90°C\u003cbr\u003eTotal overpressure max.: Heating circuit: 3.0bar, Domestic hot water: 10bar\u003cbr\u003eExpansion vessel content: 10L\u003cbr\u003eHeating water heat exchanger content: 1.3L\u003cbr\u003eResidual head for high-efficiency pump EEI","brand":"Wolf","offers":[{"title":"1","offer_id":56541942972802,"sku":"WCW-0153261-001","price":3812.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/3675\/7890\/files\/2_b_6_4_2b6429f1c9c8f8991e279484e4797481dba04e13_wcw_0153261_gl_image1_converted_500x500_wob_wcgw_2_jpg.jpg?v=1775753683","url":"https:\/\/shop.we-connect.work\/en\/products\/wolf-gasbrennwert-zentrale-cgw-2-20-120l-mit-hochleistungsschichtenspeicher","provider":"weconnectwork","version":"1.0","type":"link"}