{"product_id":"viessmann-vitotrol-300-a-mando-distancia-km-bus-z008342","title":"Viessmann Vitotrol 300-A: wired remote control for up to 3 circuits (KM-BUS)","description":"\u003ch2\u003eWired remote control for up to three circuits and hot water with Vitotronic 200\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotrol 300-A\u003c\/strong\u003e brings full operation of the boiler control into the home: \u003cstrong\u003eup to 3 heating circuits\u003c\/strong\u003e, the hot water and their schedules. It connects to the \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e with two wires.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWired remote control, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann Vitotrol 300-A, ref. Z008342\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuits\u003c\/th\u003e\n\u003ctd\u003eUp to 3 heating circuits and DHW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eWiring and configuration by an Expert Technician, or with your \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplays\u003c\/th\u003e\n\u003ctd\u003eTemperatures, programme, status and solar yield if an SM1 module is fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSettings\u003c\/th\u003e\n\u003ctd\u003eStandard and reduced room temperature, DHW temperature, time programmes for heating, DHW and recirculation, party and economy modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting range\u003c\/th\u003e\n\u003ctd\u003e3 to 37 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eVia KM-BUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e2-core, up to 50 m in total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann planning instructions for the Vitorondens 200-T and the Vitodens 200-W B2HA.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly with Vitotronic 200\u003c\/strong\u003e (KO2B on the Vitorondens, HO1B on the B2HA).\u003c\/li\u003e\n\u003cli\u003eUp to 2 wired controls per control unit, for example one 300-A and one \u003ca href=\"\/en-en\/products\/viessmann-vitotrol-200-a-wired-remote-control-km-bus-z008341\" title=\"Vitotrol 200-A\"\u003eVitotrol 200-A\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt cannot be combined with the radio base station or with wireless controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference from the Vitotrol 200-A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 200-A handles one circuit; the \u003cstrong\u003e300-A handles up to three\u003c\/strong\u003e and the hot water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is powered by the KM-BUS.\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.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\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":59070523179352,"sku":"VI-Z008342","price":345.53,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitotrol-300-a-z008342.webp?v=1794142881","url":"https:\/\/q-tech.es\/en-en\/products\/viessmann-vitotrol-300-a-wired-remote-control-km-bus-z008342","provider":"Q-Tech ® ","version":"1.0","type":"link"}