{"product_id":"cabezal-termostatico-inteligente-vicare-de-viessmann-zk03840","title":"Viessmann ViCare ZK03840 smart radiator thermostat head","description":"\u003ch2\u003eViCare radiator thermostat head to control each radiator from your phone\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViCare ZK03840 radiator thermostat\u003c\/strong\u003e from Viessmann replaces the head on your radiator and controls that room's temperature from the ViCare app. It detects open windows and runs on \u003cstrong\u003e2 AA batteries for about 2 years\u003c\/strong\u003e, according to Viessmann.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eMotorised radiator thermostat head with low-power radio\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann ViCare, reference ZK03840\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eRoom-by-room temperature control on radiators\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eThread\u003c\/th\u003e\u003ctd\u003eM30 x 1.5, Danfoss RA, RAV and RAVL adapter included\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e2 AA 1.5 V alkaline batteries, approx. 2 years\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eViessmann heat generators with One Base and built-in communication module (for boilers, Vitodens 200-W B2HF, B2KF, B2HG and B2KG) or the \u003ca href=\"\/en-en\/products\/termostato-vitoconnect-opto2-de-viessmann-zk03836-inalambrico\"\u003eVitoconnect OPTO2\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eOn-site hourly Expert Technician\u003c\/a\u003e: mounting, pairing and ViCare test\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eControl range\u003c\/th\u003e\u003ctd\u003e+8 to +30 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRadio\u003c\/th\u003e\u003ctd\u003e2.4 GHz, band 2405 to 2480 MHz, max. 0.1 W (EIRP)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eTransmission interval\u003c\/th\u003e\u003ctd\u003eEvery 7.5 s\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNominal stroke\u003c\/th\u003e\u003ctd\u003e4.2 mm (max. 4.35 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl force\u003c\/th\u003e\u003ctd\u003eMax. 70 N\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNoise level\u003c\/th\u003e\u003ctd\u003eBelow 30 dB(A) at 1 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection\u003c\/th\u003e\u003ctd\u003eIP20D, class III\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating temperature\u003c\/th\u003e\u003ctd\u003e0 to +40 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eColour\u003c\/th\u003e\u003ctd\u003eWhite\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eAdapters included\u003c\/th\u003e\u003ctd\u003eDanfoss RA, RAV and RAVL\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNeeds a gateway: Viessmann heat generators with One Base and built-in communication module (for boilers, Vitodens 200-W B2HF, B2KF, B2HG and B2KG) or the \u003ca href=\"\/en-en\/products\/termostato-vitoconnect-opto2-de-viessmann-zk03836-inalambrico\"\u003eVitoconnect OPTO2\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUp to 30 heads\u003c\/strong\u003e per system, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eFor radiators with M28 or Giacomini threads, Viessmann sells separate adapters (7966665 and 7966666).\u003c\/li\u003e\n\u003cli\u003eRechargeable batteries are not supported.\u003c\/li\u003e\n\u003cli\u003eTo measure temperature and humidity at another point in the room, Viessmann offers the \u003ca href=\"\/en-en\/products\/vicare-sensor-climatico-de-viessmann-zk03839\"\u003eViCare climate sensor\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work without a Viessmann boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, with the \u003ca href=\"\/en-en\/products\/termostato-vitoconnect-opto2-de-viessmann-zk03836-inalambrico\"\u003eVitoconnect OPTO2\u003c\/a\u003e as the gateway, even with no heat generator connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long do the batteries last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbout 2 years, according to Viessmann, with 2 AA alkaline batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit my valve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, if it is M30 x 1.5 or Danfoss RA, RAV or RAVL. M28 or Giacomini valves need the matching adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse, as the note at the bottom explains.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/content\/dam\/public-brands\/es\/products\/conectividad\/6155151VBA00006_1.pdf\/_jcr_content\/renditions\/original.\/6155151VBA00006_1.pdf\" target=\"_blank\" rel=\"noopener\"\u003eViCare radiator thermostat operating instructions (PDF, Viessmann, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/sistemas-de-control-y-conectividad\/vicare-app\/componentes.html\" target=\"_blank\" rel=\"noopener\"\u003eViCare Smart Climate components on viessmann.es (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":47425283817816,"sku":"VI-ZK03840","price":116.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vicare-cabezal-termostatico-zk03840-vista-lateral.webp?v=1793172033","url":"https:\/\/q-tech.es\/en\/products\/cabezal-termostatico-inteligente-vicare-de-viessmann-zk03840","provider":"Q-Tech ® ","version":"1.0","type":"link"}