{"product_id":"weathermatic-12-zone-smartline-timer-module","title":"Weathermatic SmartLine SLM12 12-Station Expansion Module","description":"\u003cp\u003eThe Weathermatic SmartLine SLM12 is a 12-station expansion module that adds scalable zone capacity, on-board diagnostics, and SmartLine ET intelligence to compatible controllers. It supports both Basic and Smart modes so installers can use conventional programming or enable automatic ET-based adjustments for improved water management.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-zone expansion:\u003c\/strong\u003e Adds up to 12 irrigation stations to compatible SmartLine controllers (SL4800, SL1600, PL1600 and similar), allowing simple capacity increases without replacing the controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual operating modes:\u003c\/strong\u003e Basic mode offers conventional programming; Smart mode uses ET Watering to automatically adjust duration, frequency, and soak times based on environmental data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics and troubleshooting:\u003c\/strong\u003e Fault review shows open\/shorted zones; on-board multimeter reports transformer voltage and milliamps; built-in valve locator helps identify and exercise solenoids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance review:\u003c\/strong\u003e Menus display ET deficits by zone, accumulated run times, maximum run limits, minimum soak times, and recent high\/low temperature history to fine-tune schedules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote management:\u003c\/strong\u003e Compatible with the SmartLink network for remote access and monitoring via computer, tablet, or smartphone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstaller-friendly:\u003c\/strong\u003e No battery required; modules must be installed left-to-right with no gaps and require AC power for recognition. Programmable rain delay and standard installation documentation simplify setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned for contractors and facilities that need weather-responsive, scalable irrigation control, the SLM12 provides clear diagnostics, valve locating, and SmartLine connectivity to reduce water use and simplify service. Manuals and installation guides are available for site-specific setup and commissioning.\u003c\/p\u003e","brand":"Weathermatic","offers":[{"title":"Default Title","offer_id":43673770057,"sku":"SLM12","price":229.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/SLM12-2_48a30892-c110-41a7-8e5b-908bce7227f8.jpg?v=1503341414","url":"https:\/\/www.sprinklersupplystore.com\/products\/weathermatic-12-zone-smartline-timer-module","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}