{"product_id":"lankstet-rain-sensor-hygroscopic-discs-replacement-for-rain-bird-rsd-wr2-wireless","title":"LanKstet Rain Sensor Hygroscopic Discs Replacement for Rain Bird RSD \u0026 WR2 Wireless","description":"\u003cp\u003eLanKstet offers a targeted replacement for Rain Bird rain sensors, focusing on hygroscopic cork discs that respond to moisture changes. These discs help your Rain Bird RSD and WR2 Wireless sensors react to weather shifts without replacing the entire unit, providing a cost-effective maintenance option for your irrigation system.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit a range of Rain Bird models—including RSD, WR2 Wireless, WR2-48 Wireless, WR2-RFC Wireless, and WR2-RFC-868 Wireless—these replacement discs emphasize a practical balance of sensitivity and durability. Expect a fuss-free installation and a restoration of sensing performance that can help keep your irrigation schedules aligned with actual conditions.\u003c\/p\u003e\n\u003ch3\u003eHow it works and why it matters\u003c\/h3\u003e\n\u003cp\u003e moisture discs expand when damp and contract as they dry, triggering and clearing alarms as needed. This simple physical response hinges on material quality and precise sizing, so the discs can continue to function even as the sensor ages. The cork construction offers a natural, reliable response to moisture fluctuations, which may help your controller interpret weather cues more consistently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility across Rain Bird models RSD, WR2 Wireless, WR2-48, WR2-RFC, and WR2-RFC-868.\u003c\/li\u003e\n  \u003cli\u003eHigh-sensitivity expansion and contraction support accurate moisture detection.\u003c\/li\u003e\n  \u003cli\u003eReplacement option to maintain sensor performance without full unit replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat to expect in terms of lifecycle and maintenance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical guidance suggests replacing the discs when accuracy wanes or the light stays illuminated, indicating a possible disc wear.\u003c\/li\u003e\n  \u003cli\u003eIn many regions, discs may last around 3–5 years, with local climate and exposure affecting the timeline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and after-care tips\u003c\/h3\u003e\n\u003cp\u003eReplacing the discs is a practical maintenance step that can refresh sensor responsiveness. When you swap to new cork discs, ensure a clean contact surface and proper seating to maximize the discs' ability to move with moisture shifts. If the discs have turned dark or lost their shrinkage ability, it’s a signal to consider replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you get\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement hygroscopic cork discs designed for Rain Bird sensors, including RSD and WR2 Wireless lines.\u003c\/li\u003e\n  \u003cli\u003eDurable, high-sensitivity material built to respond to moisture changes without requiring full sensor replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This replacement kit is designed to support ongoing sensor performance and reliability. It offers a practical maintenance option that aligns with typical care cycles for irrigation systems, without promising guaranteed outcomes.\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: Which Rain Bird sensors are compatible with LanKstet replacement discs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The discs work with Rain Bird RSD and WR2 Wireless sensors (including WR2-48 and WR2-RFC variants).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: When should I replace the discs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace when accuracy declines or moisture discs darken or stop shrinking; typical lifespan is about 3-5 years depending on climate.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LanKstet","offers":[{"title":"Default Title","offer_id":48170677305588,"sku":"B0BFVL2QWS","price":13.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/lankstet-rain-sensor-discs-front-view.jpg?v=1778341601","url":"https:\/\/www.cerapatiogarden.com\/products\/lankstet-rain-sensor-hygroscopic-discs-replacement-for-rain-bird-rsd-wr2-wireless","provider":"Cera Garden","version":"1.0","type":"link"}