{"title":"Weathermatic SL Controllers","description":"\u003cdiv class=\"category_desc\"\u003e\n\u003cbr\u003eSL - SmartLine Controller\u003c\/div\u003e\r\n\u003c!-- split --\u003e\r\n\u003cp style=\"margin: 0px 0px 22px; color: #7c858f; font-family: Helvetica, Arial, sans-serif; font-size: 15px; line-height: 22px; background-color: #ffffff;\"\u003eFEATURES\u003c\/p\u003e\r\n\u003cul style=\"color: #7c858f; font-family: Helvetica, Arial, sans-serif; font-size: 15px; line-height: 22px; background-color: #ffffff;\"\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003e4-zone base model, expandable to 16 zones using SLM4 4-zone hot-swappable modules (Indoor\/Outdoor rated)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eInternal 120VAC\/230VAC transformer with plug and play pre-installed 6' line cord (removable for conduit-wired installations)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eLarge backlit LCD display\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003e2 run modes: Standard mode runs user input zone run times; Auto Adjust mode requires SLW Series On-Site Weather Station to calculate weatherbased run times\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cul style=\"color: #7c858f; font-family: Helvetica, Arial, sans-serif; font-size: 15px; line-height: 22px; background-color: #ffffff;\"\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eRain\/Freeze sensor bypass\/active button displays sensor status with tricolor LEDs (red indicates sensor is prohibiting irrigation; orange indicates an extended rain delay; green indicates normal operation)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003e4 programs: A, B, C; program D can operate concurrently\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003e8 start times per program\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eNonvolatile memory and real time clock\/calendar to retain programs and current date and time no battery required\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eZone run times from 1 min. to 9 hrs. 55 min. with operation countdown displayed in hours, minutes, and seconds\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eWatering day selections of custom days of the week, odd\/even, or interval days (1 - 30 days)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eOmit settings: omit time of day window, omit day(s) of week, and omit up to 7 calendar dates\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp style=\"margin: 0px 0px 22px;\"\u003eSeasonal % adjust by program, by month for simple year round water budgeting (monthly percentages overridden in Auto Adjust mode)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","products":[{"product_id":"sl1600-wm-smartline-controller-4-zone-base","title":"Weathermatic SmartLine SL1600 Controller - 4-Zone Expandable Base","description":"\u003cp\u003eThe Weathermatic SmartLine SL1600 is a weather-smart irrigation controller designed for commercial and residential sites. The 4-zone base is field-expandable and combines familiar manual programming with automatic, ET-based smart scheduling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-zone base, expandable up to 16 zones with hot-swappable SLM expansion modules for flexible system growth.\u003c\/li\u003e\n\u003cli\u003eDual operation modes: Basic mode for conventional programming and Smart mode for automatic ET adjustments using on-site weather data.\u003c\/li\u003e\n\u003cli\u003eBacklit LCD, four independent programs with up to eight start times per program, and seasonal\/monthly watering adjustments.\u003c\/li\u003e\n\u003cli\u003eAdvanced diagnostics: built-in valve locator, on-board multi-meter, fault review for open or shorted zones, and zone amperage\/voltage readouts.\u003c\/li\u003e\n\u003cli\u003eSmartLink remote access ready - manage controllers from computer, tablet, or smartphone with SmartLink accessories and network.\u003c\/li\u003e\n\u003cli\u003eBuilt-in transformer with pre-installed line cord, rain\/freeze sensor input, manual test runs, and non-volatile memory - no battery required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned for installers and property managers, the SL1600 balances precise water management with straightforward setup and maintenance. Durable indoor\/outdoor housing, programmable pump\/master valve outputs, and a two-year limited manufacturer warranty make it a dependable choice for saving water and simplifying system control. Consult the included installation and owner manuals for full specifications, wiring diagrams, and SmartLink setup instructions.\u003c\/p\u003e","brand":"Weathermatic","offers":[{"title":"Default Title","offer_id":43673765257,"sku":"SL1600","price":252.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/PhotoRoom_20220729_132738.png?v=1659115719"},{"product_id":"weathermatic-smartline-timer","title":"Weathermatic SL4800 SmartLine 12-Zone Controller Base","description":"\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\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\u003cp\u003eIdeal for commercial and residential irrigation projects, the SL4800 simplifies setup and reduces maintenance while providing flexible, water-saving control.\u003c\/p\u003e","brand":"Weathermatic","offers":[{"title":"Default Title","offer_id":43673766217,"sku":"SL4800","price":796.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/SL4800-2_d0519f45-d690-42ad-80a2-cd17f100a969.jpg?v=1503341403"},{"product_id":"weathermatic-slm12-1600-weathermatic-sl1600-12-zone-module","title":"Weathermatic SLM12-1600 12-Zone Expansion Module for SL1600","description":"\u003cp\u003eThe Weathermatic SLM12-1600 is a 12-zone expansion module designed to extend the capacity of compatible SmartLine and ProLine controllers. Specifically engineered for use with the SL1600 and PL1600 families, this hot‑swappable module adds reliable zone capacity while preserving the controller’s on-site diagnostics and programming capabilities. Install modules in sequence for correct zone numbering; the SL1600\/PL1600 automatically recognizes additional modules with no special programming required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpand capacity by 12 zones\u003c\/strong\u003e — increases a compatible SL1600 or PL1600 controller to support additional valves without replacing the base unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot‑swappable installation\u003c\/strong\u003e — insert or remove the module without powering down the controller; automatic recognition initializes new zones immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-board diagnostics\u003c\/strong\u003e — fault review, on-board multi‑meter, and stored program backtrack help identify open\/shorted zones and measure circuit milliamp values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in valve locator\u003c\/strong\u003e — integrated valve locator function assists in identifying and troubleshooting individual solenoids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced review menus\u003c\/strong\u003e — view ET deficits by zone, daily temperature history, maximum run and minimum soak times, and accumulated run-time statistics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart watering features\u003c\/strong\u003e — supports programmable rain delay and plant type inputs (preset crop factors and custom values) for precise zone tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for professionals\u003c\/strong\u003e — rugged construction and industry-standard compatibility make it suitable for commercial and residential landscapes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRefer to the included manual and the SL1600\/PL1600 installation instructions when fitting modules: modules must be installed sequentially with no gaps to maintain correct zone assignment. For programming, diagnostics, and full feature details consult the Weathermatic SL1600\/PL1600 documentation and support resources.\u003c\/p\u003e","brand":"Weathermatic","offers":[{"title":"Default Title","offer_id":40370164006972,"sku":"SLM12-1600","price":229.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/Weathermatic-SLM12-1600.png?v=1662618552"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/collections\/717-T.jpg?v=1592856027","url":"https:\/\/www.sprinklersupplystore.com\/collections\/weathermatic-sl-controllers.oembed","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}