{"product_id":"growlink-links-valvelink","title":"Growlink LINKS valveLINK 8-Channel Irrigation Valve Controller","description":"\n\u003cp\u003eThe \u003cstrong\u003eGrowlink LINKS valveLINK\u003c\/strong\u003e is an 8-channel 24VAC irrigation valve controller built for growers who want zone-by-zone precision without babysitting a timer bank. Fire valves manually, on a schedule, or let sensor data from your \u003ca href=\"\/fr\/products\/growlink-canopylink-sensor-controller\"\u003ecanopyLINK\u003c\/a\u003e and \u003ca href=\"\/fr\/products\/terralink-soil-moisture-sensor-vwc-ec-temp\"\u003eTerralink\u003c\/a\u003e substrate sensors trigger irrigation automatically through Growlink Copilot crop steering.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers choose valveLINK\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight independent channels:\u003c\/strong\u003e Run up to eight 24VAC irrigation valves off one controller, each with its own tailored watering schedule for different crop zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual, scheduled, or sensor-triggered:\u003c\/strong\u003e Start simple with manual or scheduled control, then layer in sensor-based automation as your setup grows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowlink Copilot ready:\u003c\/strong\u003e Feed live substrate and canopy data straight into automated crop steering — no separate irrigation timer required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged, durable build:\u003c\/strong\u003e Engineered for demanding commercial and home-grow environments where reliability matters more than anything else.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#F8F9FA;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e8 sourcing FETs (24VAC valve control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003eMax 2.7A @ 24VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F8F9FA;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eMax Switching Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e1A per port \/ 2.7A combined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eMax Switching Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e24VDC @ 50% PWM (simulated 24VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F8F9FA;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003ePWM Spec\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e1kHz, 50% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eMinimum Cycle Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F8F9FA;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003eHUB port (wired) or 2.4GHz Wi-Fi (standalone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #E9ECEF;\"\u003e4.813\"W x 3.5\"H x 1.438\"D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePart of the Growlink LINKS Ecosystem\u003c\/h2\u003e\n\u003cp\u003eLINKS is Growlink's modular grow-room hardware system: small, purpose-built devices that each do one job well, and click together into a whole-facility control network. \u003cstrong\u003ecanopyLINK\u003c\/strong\u003e handles monitoring — pulling climate, canopy, and substrate sensor data into one place — while \u003cstrong\u003evalveLINK\u003c\/strong\u003e (this device) handles irrigation, driving your solenoid or ball valves on schedule or by sensor trigger. Every LINKS device can run wirelessly on its own over Wi-Fi, but connect them to the \u003ca href=\"\/fr\/products\/growlink-hub-8-port-controller\"\u003eHUB\u003c\/a\u003e over a wired RJ-45 connection and you unlock whole-room automation, longer signal range, and the ability for the HUB to power and enable additional LINKS hardware across the facility.\u003c\/p\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/links-ecosystem-2026.png\" alt=\"Growlink LINKS ecosystem diagram showing HUB, canopyLINK, valveLINK, batch tankLINK, ClimaLINK, Terralink, relayLINK, powerLINK and lightLINK connections\" style=\"max-width:100%;height:auto;margin:16px 0;border-radius:6px;\"\u003e\n\n\u003cdiv style=\"background:#E7F5FF;border-left:4px solid #1971C2;padding:12px 16px;margin:16px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003ePro tip:\u003c\/strong\u003e Running valveLINK wirelessly is fine for a single zone, but wiring it into the HUB alongside canopyLINK gives Growlink Copilot the closed-loop sensor + valve data it needs for genuinely automated crop steering.\n\u003c\/div\u003e\n\n\u003ch3 id=\"valvelink-kit\"\u003eNot sure what to buy first? Start with a kit.\u003c\/h3\u003e\n\u003cp\u003eChoose a starter kit based on what you want to automate first — every kit works together and expands over time.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;gap:16px;flex-wrap:wrap;margin:16px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:260px;border:1px solid #E9ECEF;border-radius:8px;padding:16px;\"\u003e\n\u003cdiv style=\"display:inline-block;background:#E8590C;color:#fff;font-size:12px;font-weight:bold;padding:2px 10px;border-radius:12px;margin-bottom:8px;\"\u003eMOST POPULAR\u003c\/div\u003e\n\u003ch4 style=\"margin:4px 0;\"\u003eIrrigation Starter Kit\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;color:#495057;\"\u003eFor growers who want automated irrigation with root-zone visibility and climate monitoring.\u003c\/p\u003e\n\u003cul style=\"font-size:14px;\"\u003e\n\u003cli\u003ecanopyLINK Sensor HUB — £299\u003c\/li\u003e\n\u003cli\u003evalveLINK Controller — £399\u003c\/li\u003e\n\u003cli\u003eTerralink Substrate Sensor x2 — £598\u003c\/li\u003e\n\u003cli\u003eClimalink Climate Sensor — £399\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBundle price: £1,376.95\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbutton type=\"button\" onclick=\"fetch('\/cart\/add.js',{method:'POST',headers:{'Content-Type':'application\/json'},body:JSON.stringify({items:[{id:55908689314165,quantity:1}]})}).then(function(r){return r.json();}).then(function(){window.location.href=\"\/fr\/cart\";}).catch(function(){alert('Sorry, something went wrong adding this to your cart. Please try again.');})\" style=\"width:100%;background:#E8590C;color:#fff;border:none;padding:10px 16px;border-radius:6px;font-weight:bold;font-size:14px;cursor:pointer;margin-top:8px;\"\u003eAdd All to Cart — £1,376.95\u003c\/button\u003e\n\u003cp style=\"font-size:12px;margin-top:8px;\"\u003e\u003ca href=\"\/fr\/products\/growlink-links-irrigation-bundle?variant=55908689314165\"\u003eView bundle details\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:260px;border:1px solid #E9ECEF;border-radius:8px;padding:16px;\"\u003e\n\u003cdiv style=\"display:inline-block;background:#2F9E44;color:#fff;font-size:12px;font-weight:bold;padding:2px 10px;border-radius:12px;margin-bottom:8px;\"\u003eBEST PLACE TO START\u003c\/div\u003e\n\u003ch4 style=\"margin:4px 0;\"\u003eMonitoring Starter Kit\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;color:#495057;\"\u003eFor growers who want real-time climate and root-zone visibility before adding automation.\u003c\/p\u003e\n\u003cul style=\"font-size:14px;\"\u003e\n\u003cli\u003ecanopyLINK Sensor HUB — £299\u003c\/li\u003e\n\u003cli\u003eTerralink Substrate Sensor — £299\u003c\/li\u003e\n\u003cli\u003eClimalink Climate Sensor — £399\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBundle price: £1,056.00\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbutton type=\"button\" onclick=\"fetch('\/cart\/add.js',{method:'POST',headers:{'Content-Type':'application\/json'},body:JSON.stringify({items:[{id:56078611972469,quantity:1}]})}).then(function(r){return r.json();}).then(function(){window.location.href=\"\/fr\/cart\";}).catch(function(){alert('Sorry, something went wrong adding this to your cart. Please try again.');})\" style=\"width:100%;background:#2F9E44;color:#fff;border:none;padding:10px 16px;border-radius:6px;font-weight:bold;font-size:14px;cursor:pointer;margin-top:8px;\"\u003eAdd All to Cart — £1,056.00\u003c\/button\u003e\n\u003cp style=\"font-size:12px;margin-top:8px;\"\u003e\u003ca href=\"\/fr\/products\/growlink-links-starter-kit\"\u003eView bundle details\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eExplore the rest of the LINKS range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-canopylink-sensor-controller\"\u003ecanopyLINK Sensor HUB\u003c\/a\u003e — connects up to 8 climate \u0026amp; substrate sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-climalink-climate-sensor\"\u003eClimaLINK Climate Sensor\u003c\/a\u003e — aspirated temp, RH, VPD \u0026amp; light\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/terralink-soil-moisture-sensor-vwc-ec-temp\"\u003eTerralink Substrate Sensor\u003c\/a\u003e — VWC, EC \u0026amp; temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-links-terralink-plus\"\u003eTerralink+ with TrueEC™\u003c\/a\u003e — research-grade TDR substrate sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-links-batch-tanklink\"\u003ebatch tankLINK\u003c\/a\u003e — automated nutrient tank monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-links-nutrilink\"\u003enutriLINK\u003c\/a\u003e — 8-output precision nutrient delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-hub-8-port-controller\"\u003eHUB 8-Port Communication Controller\u003c\/a\u003e — wires the whole system together\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-digital-lightlink\"\u003eDigital lightLINK\u003c\/a\u003e — dimming \u0026amp; spectrum control\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/growlink-links-4-channel-lightlink\"\u003e4 Channel lightLINK\u003c\/a\u003e — fan speed, dimming, 0–10V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePowered by Growlink OS\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\"Run cultivation from a system that learns.\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eEvery valveLINK connects into \u003cstrong\u003eGrowlink OS\u003c\/strong\u003e, the cultivation management portal that turns your best irrigation practices into living Blueprints — standardised schedules and automation logic you can roll out across every room. Growlink OS includes \u003cstrong\u003eNova\u003c\/strong\u003e, Growlink's built-in AI, which compares performance across rooms, flags deviations from plan, and answers questions about crop performance without you having to dig through spreadsheets.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.growlink.ag\/growlink-os.html\"\u003eExplore Growlink OS \u0026amp; Nova →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"background:#F8F9FA;border-left:4px solid #495057;padding:12px 16px;margin:16px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003eNew to Growlink OS?\u003c\/strong\u003e The \u003cstrong\u003eRoot\u003c\/strong\u003e plan is free forever for hobby growers — no credit card required — and includes 1 user, 4 sensors, 3-minute data resolution, and 90-day data storage. \u003ca href=\"https:\/\/www.growlink.ag\/pricing.html\"\u003eSee all Growlink pricing plans →\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#EBFBEE;border-left:4px solid #2F9E44;padding:12px 16px;margin:16px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003eFree Growlink calculators:\u003c\/strong\u003e Dial in your setup before you buy — try the \u003ca href=\"https:\/\/www.growlink.ag\/irrigation-calculator.html\"\u003efree Irrigation Schedule Calculator\u003c\/a\u003e and the \u003ca href=\"https:\/\/www.growlink.ag\/co2-calculator.html\"\u003efree Light \u0026amp; CO\u0026amp;sub2; Calculator\u003c\/a\u003e.\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#FFF4E5;border-left:4px solid #E8590C;padding:12px 16px;margin:16px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003eNeed a hand?\u003c\/strong\u003e Check the \u003ca href=\"https:\/\/www.growlink.ag\/help-center.html\"\u003eGrowlink Knowledge Base\u003c\/a\u003e for setup guides and troubleshooting, or \u003ca href=\"https:\/\/www.growlink.ag\/help-center.html#submit-ticket\"\u003eraise a support ticket\u003c\/a\u003e directly with Growlink.\n\u003c\/div\u003e\n\n\u003cp\u003eWant the full methodology behind zone-based irrigation scheduling? Download \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/The_Hydro_Bros_Precision-Irrigation-Playbook-V21_Final.pdf\"\u003eGrowlink's Precision Irrigation Playbook V21 (PDF)\u003c\/a\u003e.\u003c\/p\u003e","brand":"GROW LINK","offers":[{"title":"Default Title","offer_id":57348505993589,"sku":"GL-LINK-VALVE","price":399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/meters-sensors-valve-link-growlink-links-irrigation-nutrient-delivery-instruments-1173309844.webp?v=1749927452","url":"https:\/\/www.thehydrobros.com\/fr\/products\/growlink-links-valvelink","provider":"The Hydro Bros","version":"1.0","type":"link"}