{"product_id":"hunter-node-400-battery-4-zone-waterproof-irrigation-controller-ip68-submersible-battery-or-solar-power","title":"Hunter NODE-400 Battery 4-Zone Waterproof Irrigation Controller — IP68 Submersible, Battery or Solar Power","description":"\u003cp\u003e\u003cstrong\u003eThe Hunter NODE-400 is a compact, battery-powered 4-station irrigation controller built to operate reliably inside valve boxes and other power-restricted outdoor locations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for sites where AC power is unavailable or impractical, the NODE-400 delivers professional scheduling features in a fully waterproof package. Its IP68-rated enclosure is submersible to 12 feet, so it survives flooded valve boxes and tough field conditions, while running on one or two 9V alkaline batteries or an optional Hunter solar panel for long-term, low-maintenance operation. The unit supports multiple programs, weather-sensor compatibility, and master valve control, making it a flexible choice for contractors, landscapers, or homeowners managing remote zones.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the NODE-400 schedule and control multiple zones?\u003c\/h3\u003e\n\u003cp\u003eThe NODE-400 offers three independent programs with up to four start times per program, and each station can run for up to six hours. Seasonal adjustment lets you scale run times quickly without changing individual station settings, which helps adapt watering to seasonal needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree programs (A, B, C) for separate watering needs\u003c\/li\u003e\n  \u003cli\u003eFour start times per program for flexible daily scheduling\u003c\/li\u003e\n  \u003cli\u003eIndividual station run times up to 6 hours\u003c\/li\u003e\n  \u003cli\u003eSeasonal adjustment from 10% to 150% for quick seasonal tweaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the NODE-400 suitable for valve boxes and harsh conditions?\u003c\/h3\u003e\n\u003cp\u003eThe controller’s IP68-rated housing is fully sealed and built to be submerged up to 12 feet, protecting electronics from water, mud, and debris. The rugged construction and secure mounting options allow placement directly in valve boxes or mounted on a surface for exposed installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP68-rated enclosure: submersible to 12 feet\u003c\/li\u003e\n  \u003cli\u003eSealed connectors and robust housing resist flood and dirt ingress\u003c\/li\u003e\n  \u003cli\u003eEngineered for valve-box mounting or surface installation\u003c\/li\u003e\n  \u003cli\u003eEasy Retrieve™ memory retains settings during battery changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the NODE-400 powered and what are the low-maintenance options?\u003c\/h3\u003e\n\u003cp\u003eOut of the box the NODE-400 runs on one or two 9V alkaline batteries, making it ideal where wiring is impossible. For long-term, maintenance-free power, it accepts Hunter’s optional SPNODE solar panel kit so batteries aren’t needed for routine operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRuns on one or two 9V alkaline batteries for simple installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with SPNODE solar panel kit (sold separately) for continuous power\u003c\/li\u003e\n  \u003cli\u003eEasy Retrieve™ memory preserves programs during battery swaps\u003c\/li\u003e\n  \u003cli\u003eLow power draw with support for 9V DC latching solenoids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich irrigation accessories and sensors work with the NODE-400?\u003c\/h3\u003e\n\u003cp\u003eThe NODE-400 supports standard 9V DC latching solenoids (solenoids sold separately) and integrates with Hunter Clik sensors and other weather-responsive devices. It also provides master valve control for systems that require central valve operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports 9V DC latching solenoids (not included)\u003c\/li\u003e\n  \u003cli\u003eCompatible with Hunter Clik and other weather sensors for rain or freeze shutoff\u003c\/li\u003e\n  \u003cli\u003eMaster valve\/circulation pump output available\u003c\/li\u003e\n  \u003cli\u003eSimple LCD interface for straightforward programming in the field\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Hunter NODE-400 is aimed at irrigation professionals, contractors, and homeowners needing a dependable controller where AC power isn’t feasible. It suits commercial and residential valve boxes, remote landscape zones, construction sites, and retrofit jobs that demand waterproof reliability, flexible scheduling, and minimal maintenance. Choose the NODE-400 when you need a field-ready, battery- or solar-powered 4-zone controller that stands up to floods and keeps schedules intact during battery swaps.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the NODE-400 be installed inside a flooded valve box?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The NODE-400 is IP68-rated and fully submersible up to 12 feet, designed for valve box installation and flood-prone locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the NODE-400 need mains power or can it run on solar?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It runs on one or two 9V batteries by default and is compatible with the optional Hunter SPNODE solar panel for maintenance-free power.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hunter","offers":[{"title":"Default Title","offer_id":56806025134420,"sku":"B00C1Y2YT8","price":301.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hunter-node-400-front-panel.jpg?v=1786811782","url":"https:\/\/gardenluxe.co.uk\/products\/hunter-node-400-battery-4-zone-waterproof-irrigation-controller-ip68-submersible-battery-or-solar-power","provider":"Gardenluxe Uk","version":"1.0","type":"link"}