{"product_id":"unical-caldaia-unical-kon-e-c28-a-condensazione-low-nox-completa-di-kit-fumi-new-erp-kit-fumi-sdoppiato-1","title":"Unical KON E C28 Low NOx condensing boiler complete with flue kit - NEW ErP Split Flue Kit","description":"\u003ch2\u003e\u003cspan\u003eUnical KONe C28 Low NOx condensing boiler complete with flue kit - NEW ErP\u003c\/span\u003e\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"product-collateral\"\u003e\u003cdiv class=\"product-description\"\u003e\u003cdiv class=\"std\"\u003e\n\n\u003cul\u003e\u003cli\u003e Model: KONe 28C\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eEnergy efficiency:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Seasonal efficiency class for heating A\u003c\/li\u003e\n\n\u003cli\u003e Declared load profile: XL\u003c\/li\u003e\n\n\u003cli\u003e Seasonal sanitary efficiency class: A\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eTechnical data:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Rated useful power: 28.9kW\u003c\/li\u003e\n\n\u003cli\u003e Seasonal heating energy efficiency. ambient ηs 93%\u003c\/li\u003e\n\n\u003cli\u003e Useful thermal power in high temperature regime. (Tr 60 °C \/ tm 80 °C): 15.8kW\u003c\/li\u003e\n\n\u003cli\u003e Efficiency at nominal thermal power in high temperature regime (Tr 60 °C \/ Tm 80 °C) η4: 88.4%\u003c\/li\u003e\n\n\u003cli\u003e Useful power at 30% of the nominal thermal power in low temperature regime (Tr 30 °C): 5.3 kW\u003c\/li\u003e\n\n\u003cli\u003e Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 97.5%\u003c\/li\u003e\n\n\u003cli\u003e Annual electricity consumption QHE GJ: 49\u003c\/li\u003e\n\n\u003cli\u003e Heating energy efficiency. of water ηWH: 85%\u003c\/li\u003e\n\n\u003cli\u003e Qfuel daily fuel consumption: 23.05 kWh\u003c\/li\u003e\n\n\u003cli\u003e Sound power level inside Lwa db(A) 55.2\u003c\/li\u003e\n\n \u003cli\u003eAnnual electricity consumption AEC: 402 kWh\u003c\/li\u003e\n\n\u003cli\u003e Specific domestic water flow rate (Dt 30 °C): 13 l\/min\u003c\/li\u003e\n\n\u003cli\u003e DHW production in cont. Dt 25 K (mixed): 15.5 l\/min\u003c\/li\u003e\n\n\u003cli\u003e Expansion tank capacity: 10 litres\u003c\/li\u003e\n\n\u003cli\u003e Heating circuit pressure (min-max): 0.5-3.0 bar\u003c\/li\u003e\n\n\u003cli\u003e DHW circuit pressure (min-max): 0.5-6.0 bar\u003c\/li\u003e\n\n\u003cli\u003e IP X5D protection rating\u003c\/li\u003e\n\n\u003cli\u003e NOx class: 6\u003c\/li\u003e\n\n\u003cli\u003e Dimensions (HxWxD): 700x420x345 mm; 37kg\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e \u003cspan\u003eKONe\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e KONe is a wall-mounted condensing boiler with very low polluting emissions, thus falling within the new Class 6, the most restrictive currently in force. It is available in instant combined version.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cspan\u003e\u003cem\u003eKONe has all the “Quality Stars” to satisfy every type of need:\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Exceptional modulation ratio up to 1:8 Efficiency \u0026gt;107% (ex CE dir. 92\/42) ηs 93% (EU regulation 813\/2013 - ERP dir. 2009\/125\/CE)\u003c\/li\u003e\n\n\u003cli\u003e Energy class A\u003c\/li\u003e\n\n\u003cli\u003e Ultra-flat Al\/Si\/Mg primary exchanger\u003c\/li\u003e\n\n\u003cli\u003e Electronics with HWS “Hot Water Speed” function (vers. C)\u003c\/li\u003e\n\n \u003cli\u003eLow NOx class 6 (according to EN 15502-1) thanks to the completely electronic modulating premix burner with constant combustion ratio (both gas valve and fan)\u003c\/li\u003e\n\n\u003cli\u003e Production of hot water up to 13.3 l\/min Dt 25 with special exchanger with 12 plates (mod. 24 C) and 16 plates (mod. 28\/35 C) in AISI 316L stainless steel\u003c\/li\u003e\n\n\u003cli\u003e “Pit stop” maintenance for technical assistance interventions\u003c\/li\u003e\n\n\u003cli\u003e “Soft touch” control panel with protective closure “Upgradable” via USB connection for diagnostics\/programming with computer or dedicated handheld tool\u003c\/li\u003e\n\n\u003cli\u003e High efficiency modulating circulator\u003c\/li\u003e\n\n \u003cli\u003eHWS “Hot Water Speed” is the special KONe electronics that switches from the heating to domestic hot water function with the burner and pump always active, improving the comfort of the user who does not have to wait for hot water. Management of 2 zones with 2 thermostats (modulating\/on -off) thanks to the electronics which allows you to manage 2 heating zones at different temperatures (high for radiators and fan-coils, low for radiant panel systems)\u003c\/li\u003e\n\n\u003cli\u003e Sliding temperature programmed to operate with the lowest possible flow temperature to promote energy saving\u003c\/li\u003e\n\n\u003cli\u003e Post-circulation anti-overheating, the boiler automatically keeps the pump running for 5 minutes after the burner is turned off, preserving the components\u003c\/li\u003e\n\n\u003cli\u003e Chimney sweep function allows maintenance workers to carry out the checks required by current regulations regarding performance and emissions\u003c\/li\u003e\n\n \u003cli\u003ePump anti-blocking, blocking of the pump following long stops is avoided thanks to an automatic 5 sec impulse.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cspan\u003e\u003cem\u003e\u003cstrong\u003eEverything like in a “Sim Card”\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e All the operating characteristics of the boiler are stored inside a SIM. The Unical Assistance Center is equipped with a handheld instrument with a 3\" touchscreen, which can be connected directly to KONe to develop the monitoring activity, speeding up intervention times for the resolution of any problems: data acquisition for computer analysis monitoring in real-time operating parameters even remotely (from the office or PDA) management of \"faults-history\"\u003cbr\u003e\u003cbr\u003e \u003cspan\u003e\u003cem\u003e\u003cstrong\u003e“Pit stop” maintenance in less than 2 minutes\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003eKONe is the result of the Service's experience and market suggestions, from which the Unical design staff has synthesized a technological complex that can be easily assembled and quickly dismantled.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003cspan\u003e\u003cem\u003e\u003cstrong\u003eProduct Warranty\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e All products for sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.\u003c\/p\u003e","brand":"Unical","offers":[{"title":"Kit Fumi Coassiale","offer_id":47745513783609,"sku":"KON E C28 coas","price":1293.0,"currency_code":"EUR","in_stock":false},{"title":"Kit Fumi Sdoppiato","offer_id":47745513816377,"sku":"KON E C28 sdop","price":1293.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/7189\/7657\/products\/immagine-1-unical-caldaia-unical-kon-e-c28-a-condensazione-low-nox-completa-di-kit-fumi-new-erp-kit-fumi-sdoppiato-jpg_3fb5a8be-9bf7-44e6-9731-d54990ee0b3d.jpg?v=1703236115","url":"https:\/\/www.climaconvenienza.it\/en\/products\/unical-caldaia-unical-kon-e-c28-a-condensazione-low-nox-completa-di-kit-fumi-new-erp-kit-fumi-sdoppiato-1","provider":"ClimaConvenienza","version":"1.0","type":"link"}