{"product_id":"weathermatic-smartline-timer","title":"Zurn Weathermatic SL4800 SmartLine 12-Zone Controller Base - SL4800","description":"\u003ch2\u003eZurn Weathermatic SL4800 SmartLine 12-Zone Controller Base - SL4800\u003c\/h2\u003e\n\u003cp\u003eThe Weathermatic SL4800 SmartLine 12-Zone Controller Base combines conventional ease-of-use with advanced smart irrigation features. Choose Basic mode for straightforward programming or Smart mode to enable ET-based adjustments that reduce water waste.\u003c\/p\u003e\n\u003cp\u003eIdeal for commercial and residential irrigation projects, the SL4800 simplifies setup and reduces maintenance while providing flexible, water-saving control.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eDual operation modes: Basic programming for familiar controls; Smart mode automatically adjusts runtime, frequency, and soak time based on ET data.\u003c\/li\u003e\n\u003cli\u003eSmartLink network compatible: monitor and manage controllers from a computer, tablet, or smartphone for remote scheduling and diagnostics.\u003c\/li\u003e\n\u003cli\u003eModular 12-zone base with AC power: expandable SmartLine platform supports modular add-ons and SmartWire integration for field connections.\u003c\/li\u003e\n\u003cli\u003eSolar and SmartWire support: installation guides available for solar-powered setups and SmartWire SLGDT connectivity.\u003c\/li\u003e\n\u003cli\u003eNo batteries or flashlight needed: internal design provides reliable operation and easy access in low-light locations.\u003c\/li\u003e\n\u003cli\u003eComprehensive documentation: downloadable sales sheets, quick start guide, owner's manual, and full installation instructions included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1eavczy\" data-start=\"27\" data-end=\"292\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"62\"\u003eScalable irrigation backbone:\u003c\/strong\u003e The Zurn Weathermatic SL4800 SmartLine 12-Zone Controller Base is a modular commercial controller designed to manage 12 zones out of the box, expandable up to 48 zones for large landscapes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ptuika\" data-start=\"294\" data-end=\"556\"\u003e\n\u003cstrong data-start=\"296\" data-end=\"329\"\u003eSmart water efficiency ready:\u003c\/strong\u003e Supports both standard scheduling and ET-based Smart mode (with optional weather station), automatically adjusting irrigation based on real-time environmental data to reduce water waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"51gdok\" data-start=\"558\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"560\" data-end=\"590\"\u003eHigh-capacity programming:\u003c\/strong\u003e Built for professional irrigation systems with multiple programs, multiple start times, and flexible scheduling options for complex site requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4g95e8\" data-start=\"783\" data-end=\"1020\"\u003e\n\u003cstrong data-start=\"785\" data-end=\"819\"\u003eAdvanced diagnostics built in:\u003c\/strong\u003e Includes fault detection for open\/short circuits, valve diagnostics, and system monitoring tools that help technicians troubleshoot quickly and reduce downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mrdxbt\" data-start=\"1022\" data-end=\"1223\"\u003e\n\u003cstrong data-start=\"1024\" data-end=\"1057\"\u003eSmartLink connectivity ready:\u003c\/strong\u003e Compatible with SmartLink AirCard for remote cloud-based control, monitoring, and adjustments from mobile or desktop devices. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4011m0\" data-start=\"1225\" data-end=\"1432\"\u003e\n\u003cstrong data-start=\"1227\" data-end=\"1256\"\u003eModular expansion design:\u003c\/strong\u003e Hot-swappable 12-zone modules allow easy scaling without replacing the full controller, making it ideal for phased irrigation projects. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fbu19y\" data-start=\"1434\" data-end=\"1666\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1436\" data-end=\"1471\"\u003eProfessional-grade reliability:\u003c\/strong\u003e Rugged enclosure with indoor\/outdoor capability, designed for commercial, municipal, and large residential irrigation systems requiring long-term stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"202\"\u003e\u003cstrong data-start=\"0\" data-end=\"66\"\u003eQ: What is the \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eZurn Weathermatic SL4800 SmartLine 12-Zone Controller Base\u003c\/span\u003e\u003c\/span\u003e used for?\u003c\/strong\u003e\u003cbr data-start=\"66\" data-end=\"69\"\u003eA: It is a modular irrigation controller used to manage and automate watering for commercial and large residential landscape systems.\u003c\/p\u003e\n\u003cp data-start=\"204\" data-end=\"388\"\u003e\u003cstrong data-start=\"204\" data-end=\"250\"\u003eQ: How many zones does the SL4800 support?\u003c\/strong\u003e\u003cbr data-start=\"250\" data-end=\"253\"\u003eA: It has a 12-zone base capacity and is expandable up to 48 zones using plug-in 12-zone modules. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"390\" data-end=\"672\"\u003e\u003cstrong data-start=\"390\" data-end=\"437\"\u003eQ: What are the key features of the SL4800?\u003c\/strong\u003e\u003cbr data-start=\"437\" data-end=\"440\"\u003eA: It offers multiple watering programs, ET-based smart irrigation (with optional weather sensor), rain\/freeze sensor support, and advanced diagnostics for fault detection and system monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"866\"\u003e\u003cstrong data-start=\"674\" data-end=\"721\"\u003eQ: Does it support smart or remote control?\u003c\/strong\u003e\u003cbr data-start=\"721\" data-end=\"724\"\u003eA: Yes, it can integrate with SmartLink\/SmartWire systems for remote monitoring, scheduling, and irrigation management via cloud connectivity.\u003c\/p\u003e\n\u003cp data-start=\"868\" data-end=\"1085\"\u003e\u003cstrong data-start=\"868\" data-end=\"920\"\u003eQ: What makes it SEO \/ buyer-friendly important?\u003c\/strong\u003e\u003cbr data-start=\"920\" data-end=\"923\"\u003eA: It is a professional-grade, expandable 12–48 zone irrigation controller designed for water efficiency, commercial reliability, and smart irrigation automation.\u003c\/p\u003e\n\u003cp data-start=\"1087\" data-end=\"1264\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1087\" data-end=\"1120\"\u003eQ: Where is it commonly used?\u003c\/strong\u003e\u003cbr data-start=\"1120\" data-end=\"1123\"\u003eA: Commercial landscapes, sports fields, municipalities, and large irrigation systems requiring scalable zone control and water optimization.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInspect controller display and wiring connections regularly for faults or looseness.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify zone operation periodically to ensure correct scheduling and valve response.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep firmware\/software updated for optimal performance and feature compatibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtect unit from moisture, dust, and extreme temperatures using proper enclosure installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck power supply and backup battery condition to prevent programming loss or downtime.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean exterior and ensure clear access for maintenance and adjustments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":45805650641087,"sku":"SL4800","price":597.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/SL4800-2_d0519f45-d690-42ad-80a2-cd17f100a969.jpg?v=1782961659","url":"https:\/\/www.mybackyardzone.com\/products\/weathermatic-smartline-timer","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}