{"product_id":"milesight-wt303-lorawan-smart-fan-coil-thermostat-on-off-valve","title":"Milesight WT303 | LoRaWAN Smart Fan Coil Thermostat (On\/Off Valve)","description":"\u003cdiv class=\"shopiot-detailed-description\" style=\"max-width: 800px; font-family: 'DM Sans', sans-serif; color: #2a2b2a; line-height: 1.6; font-size: 16px;\"\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eMilesight WT303\u003c\/strong\u003e is an advanced LoRaWAN \u003cstrong\u003efan coil thermostat\u003c\/strong\u003e for air-conditioning systems using \u003cstrong\u003e2-pipe or 4-pipe fan coil units (FCUs)\u003c\/strong\u003e with 3-speed or EC (0-10V) fans. It drives 2-wire or 3-wire On\/Off motorized valves. It supports manual button control and automatic control via predefined logic, schedules or remote management for optimal comfort and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e2.7-inch e-ink display\u003c\/strong\u003e and a built-in temperature\/humidity sensor continuously show room status, and it integrates with standard LoRaWAN gateways, BACnet (via Milesight gateways), Milesight D2D and the Development Platform for real-time monitoring and remote management.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #7765e3; font-size: 16px; margin-bottom: 18px; font-weight: bold; text-transform: uppercase;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 12px; align-items: flex-start; padding: 15px; border-radius: 4px; border: 1px solid #f5f5f5; background: #fff;\"\u003e\n\u003cspan style=\"color: #7765e3;\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 12m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 10c1.5-3 4-5 6-4-1 2-3 3.5-6 4z\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 14c-1.5 3-4 5-6 4 1-2 3-3.5 6-4z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cstrong style=\"display: block; color: #2a2b2a;\"\u003e2-\/4-Pipe FCU Control\u003c\/strong\u003e\u003cspan style=\"color: #555;\"\u003eDrives 2-pipe and 4-pipe fan coil units with 3-speed fans or EC (0-10V) fans for flexible HVAC control.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 12px; align-items: flex-start; padding: 15px; border-radius: 4px; border: 1px solid #f5f5f5; background: #fff;\"\u003e\n\u003cspan style=\"color: #7765e3;\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 12h6\"\u003e\u003c\/path\u003e\u003cpath d=\"M15 12h6\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003cpath d=\"M12 5v4M12 15v4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cstrong style=\"display: block; color: #2a2b2a;\"\u003eValve Control\u003c\/strong\u003e\u003cspan style=\"color: #555;\"\u003eControls 2-wire or 3-wire On\/Off motorized valves for reliable open\/close heating and cooling.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 12px; align-items: flex-start; padding: 15px; border-radius: 4px; border: 1px solid #f5f5f5; background: #fff;\"\u003e\n\u003cspan style=\"color: #7765e3;\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"3\" y=\"4\" width=\"18\" height=\"14\" rx=\"2\"\u003e\u003c\/rect\u003e\u003cline x1=\"3\" y1=\"20\" x2=\"21\" y2=\"20\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cstrong style=\"display: block; color: #2a2b2a;\"\u003e2.7-Inch E-Ink Display\u003c\/strong\u003e\u003cspan style=\"color: #555;\"\u003eA crisp, low-power e-ink screen shows room temperature, humidity and system status clearly.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 12px; align-items: flex-start; padding: 15px; border-radius: 4px; border: 1px solid #f5f5f5; background: #fff;\"\u003e\n\u003cspan style=\"color: #7765e3;\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M5 12.55a11 11 0 0 1 14.08 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M1.42 9a16 16 0 0 1 21.16 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M8.53 16.11a6 6 0 0 1 6.95 0\"\u003e\u003c\/path\u003e\u003cline x1=\"12\" y1=\"20\" x2=\"12.01\" y2=\"20\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cstrong style=\"display: block; color: #2a2b2a;\"\u003eConnected \u0026amp; Flexible\u003c\/strong\u003e\u003cspan style=\"color: #555;\"\u003eLoRaWAN and Milesight D2D, BACnet via Milesight gateways, multicast, FUOTA; 8 plans with up to 16 schedules each.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px; background-color: #fafafa; border-left: 4px solid #7765E3; padding: 20px; border-radius: 2px;\"\u003e\n\u003ch2 style=\"color: #7765e3; font-size: 16px; margin-top: 0; margin-bottom: 12px; font-weight: bold; text-transform: uppercase;\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 0; font-size: 15px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 10px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eHotels \u0026amp; offices:\u003c\/strong\u003e per-room FCU control with key-card input and central management.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 10px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCommercial buildings:\u003c\/strong\u003e scheduled heating\/cooling and ventilation for comfort and energy savings.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBMS integration:\u003c\/strong\u003e bring FCU zones into BACnet building-management systems via Milesight gateways.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #7765e3; font-size: 16px; margin-bottom: 15px; font-weight: bold; text-transform: uppercase;\"\u003eTechnical Integration\u003c\/h2\u003e\n\u003cdiv style=\"font-size: 15px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFCU compatibility:\u003c\/strong\u003e 2-pipe and 4-pipe FCUs with 3-speed fans or EC (0-10V) fans\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eValve control:\u003c\/strong\u003e 2-wire or 3-wire On\/Off motorized valves\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRelays:\u003c\/strong\u003e Valve \u0026amp; fan relays: 4 A resistive, 3 A inductive (capacitive loads not supported)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eControl:\u003c\/strong\u003e Heat, Cool, Ventilation; fan Low\/Medium\/High\/Auto; temperature range 5-35 °C; 8 plans, up to 16 schedules each\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eInputs \u0026amp; sensing:\u003c\/strong\u003e Built-in temp (±0.5 °C) \u0026amp; humidity (±2% RH) sensor; 1 x 10k NTC input; 1 x DI (dry contact); external sensor mode\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eConnectivity:\u003c\/strong\u003e LoRaWAN (EU868, OTAA\/ABP Class C) \u0026amp; Milesight D2D; internal antenna; BACnet via Milesight gateways; multicast; FUOTA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eDisplay \u0026amp; build:\u003c\/strong\u003e 2.7-inch e-ink; 5 buttons; PC+ABS (UL94 V0); IP20; operating -20 to 60 °C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePower \u0026amp; mounting:\u003c\/strong\u003e 100-240 VAC, 50\/60 Hz; \u0026lt; 2 W (no loads); fits 86\/60\/118\/120 mm boxes; AWG 14-26 wiring\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 8px;\"\u003e\n\u003cspan style=\"color: #7765e3; margin-right: 8px; font-weight: bold;\"\u003e•\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSetup help:\u003c\/strong\u003e For FCU wiring or BACnet integration, contact the shopioT technical team\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #7765e3; font-size: 16px; margin-bottom: 16px; font-weight: bold; text-transform: uppercase;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e1×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003eSmart Fan Coil Thermostat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e2×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003eWall Mounting Screws (M4x25)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e1×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003e2-Pin Signal Cable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e1×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003eAnti-Theft Fixing Screw (M2x4)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e1×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003eQuick Guide\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border: 1px solid #f0eefc; border-radius: 6px; background: #f9f8ff;\"\u003e\n\u003cspan style=\"color: #7765e3; font-weight: bold; font-size: 15px; white-space: nowrap; flex-shrink: 0;\"\u003e1×\u003c\/span\u003e\u003cspan style=\"font-size: 14px; color: #2a2b2a;\"\u003eWarranty Card\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 12px; color: #999; margin: 10px 0 0;\"\u003eOptional accessories: external NTC temperature sensor and wall plate kit (sold separately).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #7765e3; font-size: 16px; margin-bottom: 18px; font-weight: bold; text-transform: uppercase;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; font-weight: 600;\"\u003eWhich FCUs does it support?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003e2-pipe and 4-pipe fan coil units with 3-speed fans or EC (0-10V) fans.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; font-weight: 600;\"\u003eWhat valves can it drive?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003e2-wire or 3-wire On\/Off motorized valves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0 0 4px; font-weight: 600;\"\u003eCan it integrate with a BMS?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003eYes - via BACnet through Milesight LoRaWAN gateways, plus Milesight D2D, multicast and the Development Platform.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin: 0 0 4px; font-weight: 600;\"\u003eHow is it powered and mounted?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003e100-240 VAC mains, in an 86\/60\/118\/120 mm wall box (wall plate optional).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-top: 30px; padding: 25px; background: #f3f0ff; border-radius: 6px; text-align: center;\"\u003e\n\u003ch2 style=\"color: #2a2b2a; font-size: 18px; margin: 0 0 16px; font-weight: bold;\"\u003eControlling Fan Coil Units?\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;\"\u003e\n\u003ca href=\"\/en-de\/pages\/contact\" style=\"display: inline-block; padding: 12px 22px; background: #7765E3; color: #fff; text-decoration: none; border-radius: 4px; font-weight: 600; font-size: 14px;\"\u003eTalk To Our IoT Team\u003c\/a\u003e\u003ca href=\"https:\/\/shopiot.eu\/collections\/hvac-control\" style=\"display: inline-block; padding: 12px 22px; background: #fff; color: #7765e3; text-decoration: none; border-radius: 4px; font-weight: 600; font-size: 14px; border: 1px solid #7765E3;\"\u003eBrowse HVAC Control\u003c\/a\u003e\u003ca href=\"https:\/\/shopiot.eu\/collections\/milesight\" style=\"display: inline-block; padding: 12px 22px; background: #fff; color: #7765e3; text-decoration: none; border-radius: 4px; font-weight: 600; font-size: 14px; border: 1px solid #7765E3;\"\u003eShop Milesight\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Milesight","offers":[{"title":"EU868","offer_id":56876865159492,"sku":"WT303-868M","price":106.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/3749\/4423\/files\/milesight-wt303-lorawan-fan-coil-thermostat.webp?v=1782217104","url":"https:\/\/shopiot.eu\/en-de\/products\/milesight-wt303-lorawan-smart-fan-coil-thermostat-on-off-valve","provider":"shopiot","version":"1.0","type":"link"}