{"product_id":"yth9421c1002-honeywell-visionpro-iaq-touchscreen-thermostat-module","title":"YTH9421C1002 | Honeywell VisionPRO IAQ Touchscreen Thermostat \u0026 Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe YTH9421C1002 is a touch screen temperature and ventilation control system designed for multi-stage HVAC systems with advanced humidity and air quality management. It includes a universal programmable thermostat and controller capable of managing heating, cooling, humidification, dehumidification, and ventilation.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"height: 881.819px; width: 100%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 32.75px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0258%; text-align: left; height: 32.75px;\"\u003eCondition\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.6099%; height: 32.75px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.3056px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0258%; text-align: left; height: 31.3056px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.6099%; height: 31.3056px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.4306px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 28.4306px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 28.4306px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eControls \u0026amp; Indicators\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 42.25px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 42.25px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 42.25px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eYTH9421C1002\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 19.5972px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 19.5972px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eThermostat\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.6806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 31.6806px;\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 31.6806px;\"\u003eThermostat \u0026amp; Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\"\u003eVisionPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eControl Stages\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e3 Heat \/ 2 Cool (Conventional), 4 Heat \/ 2 Cool (HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProgrammability\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e7-Day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\"\u003eInterface\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\"\u003eTouchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\"\u003eMounting Style\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\"\u003eHorizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\"\u003eLow Voltage (24 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003ePower Consumption\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e12 to 30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1806px;\"\u003eAmperage\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1806px;\"\u003e0.6 – 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7917px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 58.7917px;\"\u003eChangeover Type\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 58.7917px;\"\u003eAuto \/ Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 49.1806px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 49.1806px;\"\u003eFan Control\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 49.1806px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eTemperature Range (°F)\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e40°F to 99°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eMax Temp Differential\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eOperating Humidity\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e5% to 90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eDimensions (H x W x D)\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003e4-9\/16\" x 6\" x 1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 39.1944px;\"\u003eWiring Terminals\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 39.1944px;\"\u003eC, R, Rc, Rh, Y, Y2, G, L, 1, 2, 3, Vnt1, Vnt2, Dhm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 19.5972px;\"\u003eSensor Support\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 19.5972px;\"\u003eIndoor sensor compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 19.5972px;\"\u003eColor\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 19.5972px;\"\u003ePremier White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 19.5972px;\"\u003eProduct Status\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 19.5972px;\"\u003eDiscontinued (as of Sep 25, 2014)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0258%; text-align: left; height: 19.5972px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 68.6099%; height: 19.5972px;\"\u003e0.14 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eYTH9421C1002\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe YTH9421C1002 is a discontinued Honeywell temperature control system, part of the VisionPRO series, phased out in September 2014. This 7-day programmable unit offers 3 Heat \/ 2 Cool stages for conventional systems and up to 4 Heat \/ 2 Cool for heat pumps. It connects with an Equipment Interface Module or EnviraZONE panel to centralize control over environmental comfort—including humidity levels and air exchange. The intuitive touchscreen interface and advanced dual-fuel compatibility made this model ideal for residential applications focused on energy efficiency and air quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-Stage Control: Supports 3 Heat \/ 2 Cool (conventional) and 4 Heat \/ 2 Cool (heat pump) configurations.\u003c\/li\u003e\n\u003cli\u003eIntegrated Humidity Management: Controls humidification and dehumidification for year-round comfort.\u003c\/li\u003e\n\u003cli\u003eVentilation Control: Provides fresh air exchange and improved air quality across the home.\u003c\/li\u003e\n\u003cli\u003eTouchscreen Interface: Large, user-friendly screen simplifies daily operation and scheduling.\u003c\/li\u003e\n\u003cli\u003e7-Day Programmable: Allows individual schedules for each day to maximize energy savings.\u003c\/li\u003e\n\u003cli\u003eAdvanced Dual-Fuel Logic: Optimizes performance in systems with both heat pumps and furnaces.\u003c\/li\u003e\n\u003cli\u003eSensor Compatibility: Works with indoor sensors to maintain even temperature distribution.\u003c\/li\u003e\n\u003cli\u003eAuto Changeover: Seamlessly switches between heating and cooling modes.\u003c\/li\u003e\n\u003cli\u003eLow Voltage Operation: Operates on standard 24 VAC systems with low power consumption.\u003c\/li\u003e\n\u003cli\u003eLegacy Honeywell Reliability: Part of the trusted VisionPRO lineup for residential controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe YTH9421C1002 delivers integrated temperature, humidity, and ventilation management with a sleek touchscreen interface, ideal for whole-home comfort control.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105316806912,"sku":"YTH9421C1002","price":1153.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/shopping_e0435e25-2074-4038-a2c0-a79b21a5803d.webp?v=1785544835","url":"https:\/\/alotechparts.com\/products\/yth9421c1002-honeywell-visionpro-iaq-touchscreen-thermostat-module","provider":"Alo Tech Solutions","version":"1.0","type":"link"}