{"product_id":"weathermatic-four-valve-decoder","title":"Zurn Weathermatic SLDEC4 Four-Valve SmartWire Decoder Module - SLDEC4","description":"\u003ch2\u003eZurn Weathermatic SLDEC4 Four-Valve SmartWire Decoder Module - SLDEC4\u003c\/h2\u003e\n\u003cp\u003eThe Weathermatic SLDEC4 is a four-valve SmartWire decoder module designed for SmartLine controllers (SL1600 family and SL9600TW). It converts controller signals over a two‑wire path to operate up to four irrigation valves at each decoder location, simplifying wiring and reducing installation costs.\u003c\/p\u003e\n\u003cp\u003eIncludes downloadable wiring diagrams and the owner’s manual. Confirm compatibility with your SmartLine controller and use SLWIRE\/SLCONN splice kits for buried installations. Warranty: SmartWire products carry awhen used with SLWIRE\/SLCONN connectors (2 years otherwise).\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eFour-valve decoder compatible with SmartWire SLDEC series and programmable via the decoder module.\u003c\/li\u003e\n\u003cli\u003eOperates on 24–28 VAC from the 2‑wire path; protected against shock and surge.\u003c\/li\u003e\n\u003cli\u003eSealed electrical components, 14‑gauge PVC‑coated leads, and freeze\/heat rating −20° to 60°C.\u003c\/li\u003e\n\u003cli\u003eEffective valve control up to 100' (30 m) from the decoder; reports failed solenoids and diagnostic status.\u003c\/li\u003e\n\u003cli\u003eAuto shut-down if communication is lost; designed for indoor\/outdoor valve box installation.\u003c\/li\u003e\n\u003cli\u003eIdeal for commercial sites and large residential installs where reducing trenching and wire costs matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"10ek427\" data-start=\"208\" data-end=\"379\"\u003e\n\u003cstrong data-start=\"210\" data-end=\"246\"\u003eControls up to 4 valves per unit\u003c\/strong\u003e: Reduces the number of decoders needed per valve box, simplifying large-scale installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wpiq1i\" data-start=\"380\" data-end=\"570\"\u003e\n\u003cstrong data-start=\"382\" data-end=\"413\"\u003eSmartWire 2-wire efficiency\u003c\/strong\u003e: Transmits power and communication over a single 2-wire path, significantly cutting trenching and copper wire costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14qdmfo\" data-start=\"571\" data-end=\"777\"\u003e\n\u003cstrong data-start=\"573\" data-end=\"607\"\u003eSeamless SmartLine integration\u003c\/strong\u003e: Designed to work with \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eWeathermatic SmartLine Controller\u003c\/span\u003e\u003c\/span\u003e SL9600TW family for centralized, programmable irrigation management. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fhyvti\" data-start=\"778\" data-end=\"949\"\u003e\n\u003cstrong data-start=\"780\" data-end=\"804\"\u003eBuilt-in diagnostics\u003c\/strong\u003e: Reports solenoid faults and communication errors directly to the controller for faster troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qngnqn\" data-start=\"950\" data-end=\"1126\"\u003e\n\u003cstrong data-start=\"952\" data-end=\"982\"\u003eRugged, field-ready design\u003c\/strong\u003e: Sealed electronics with surge protection and freeze\/heat resistance for long-term outdoor reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aygwor\" data-start=\"1127\" data-end=\"1289\"\u003e\n\u003cstrong data-start=\"1129\" data-end=\"1162\"\u003eFlexible installation layouts\u003c\/strong\u003e: Supports loop, star, and branch wiring configurations for complex landscape projects. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xm7y9f\" data-start=\"1290\" data-end=\"1421\"\u003e\n\u003cstrong data-start=\"1292\" data-end=\"1324\"\u003eReduced maintenance downtime\u003c\/strong\u003e: Modular architecture allows faster fault isolation and system expansion without major rewiring.\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=\"209\"\u003e\u003cstrong data-start=\"0\" data-end=\"53\"\u003eQ: What is the Zurn Weathermatic SLDEC4 used for?\u003c\/strong\u003e\u003cbr data-start=\"53\" data-end=\"56\"\u003eA: A 4-valve SmartWire decoder module that converts two-wire controller signals into individual valve operations for efficient irrigation system control.\u003c\/p\u003e\n\u003cp data-start=\"211\" data-end=\"410\"\u003e\u003cstrong data-start=\"211\" data-end=\"253\"\u003eQ: What systems is it compatible with?\u003c\/strong\u003e\u003cbr data-start=\"253\" data-end=\"256\"\u003eA: Designed for Weathermatic SmartLine® SL9600TW and SL1600-series controllers using the SmartWire® 2-wire system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"412\" data-end=\"598\"\u003e\u003cstrong data-start=\"412\" data-end=\"450\"\u003eQ: How many valves can it control?\u003c\/strong\u003e\u003cbr data-start=\"450\" data-end=\"453\"\u003eA: Up to four irrigation valves from a single decoder location, reducing trenching and wire requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"600\" data-end=\"810\"\u003e\u003cstrong data-start=\"600\" data-end=\"624\"\u003eQ: How does it work?\u003c\/strong\u003e\u003cbr data-start=\"624\" data-end=\"627\"\u003eA: It receives encoded signals over a 2-wire path and activates only the programmed valve address, while all other decoders ignore the command. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"812\" data-end=\"1038\"\u003e\u003cstrong data-start=\"812\" data-end=\"845\"\u003eQ: What are its key features?\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eA: Shock- and surge-resistant sealed electronics, programmable valve addressing, and built-in diagnostics for fault detection and solenoid monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1040\" data-end=\"1232\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1073\"\u003eQ: Where can it be installed?\u003c\/strong\u003e\u003cbr data-start=\"1073\" data-end=\"1076\"\u003eA: In valve boxes for indoor or outdoor irrigation systems, typically in commercial or large residential landscapes.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1duqrd0\" data-start=\"74\" data-end=\"178\"\u003eInspect periodically for \u003cstrong data-start=\"101\" data-end=\"130\"\u003esecure wiring connections\u003c\/strong\u003e and signs of corrosion or moisture intrusion.\u003c\/li\u003e\n\u003cli data-section-id=\"1z0pfml\" data-start=\"179\" data-end=\"291\"\u003eEnsure valve wire splices and field connections remain \u003cstrong data-start=\"236\" data-end=\"261\"\u003esealed and waterproof\u003c\/strong\u003e for reliable communication.\u003c\/li\u003e\n\u003cli data-section-id=\"6lypjc\" data-start=\"292\" data-end=\"381\"\u003eCheck for proper \u003cstrong data-start=\"311\" data-end=\"343\"\u003ezone activation and response\u003c\/strong\u003e during scheduled irrigation cycles.\u003c\/li\u003e\n\u003cli data-section-id=\"3y8122\" data-start=\"382\" data-end=\"505\"\u003eVerify decoder is receiving stable signal from the controller and replace or troubleshoot if \u003cstrong data-start=\"477\" data-end=\"502\"\u003ezones fail to trigger\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1nbmluf\" data-start=\"506\" data-end=\"606\"\u003eKeep valve boxes clean and dry to prevent \u003cstrong data-start=\"550\" data-end=\"588\"\u003esediment, insects, or water damage\u003c\/strong\u003e to electronics.\u003c\/li\u003e\n\u003cli data-section-id=\"sv7p9o\" data-start=\"607\" data-end=\"711\"\u003eAfter electrical work or lightning events, test all zones to confirm \u003cstrong data-start=\"678\" data-end=\"708\"\u003efull operational integrity\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1m1fbqa\" data-start=\"712\" data-end=\"817\" data-is-last-node=\"\"\u003eReplace damaged units using \u003cstrong data-start=\"742\" data-end=\"785\"\u003ecompatible Zurn Weathermatic components\u003c\/strong\u003e to maintain system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":45805650804927,"sku":"SLDEC4","price":418.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/SLDEC4-2_504bef44-2205-466d-96a4-66b99a6b912f.jpg?v=1782961635","url":"https:\/\/www.mybackyardzone.com\/products\/weathermatic-four-valve-decoder","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}