{"product_id":"1-brass-tee-flow-sensor","title":"Rain Bird FS100B 1\" Brass Tee Flow Sensor - FS100B","description":"\u003ch2\u003eRain Bird FS100B 1\" Brass Tee Flow Sensor - FS100B\u003c\/h2\u003e\n\u003cp\u003eThe Rain Bird FS100B is a 1\" brass tee flow sensor engineered for reliable irrigation flow monitoring. Built for compatibility with Rain Bird pulse transmitters and central controllers, the FS100B provides consistent pulse output and durable construction for long service life.\u003c\/p\u003e\n\u003cp\u003eInstall the FS100B in a tee within the mainline to detect leaks, broken heads, or abnormal flow conditions and send alerts to your controller. For long cable runs (over 500' \/ 152 m) or areas with electrical interference, use shielded cable. The sensor is designed for outdoor or buried use when properly installed; follow Rain Bird transmitter wiring and k-factor charts for calibration. Review the included tech spec and installation guide before beginning.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1\" inlet\/outlet: NPT or BSP threads for threaded installations or slip-fit when specified.\u003c\/li\u003e\n\u003cli\u003eBrass tee body for corrosion resistance in outdoor irrigation systems.\u003c\/li\u003e\n\u003cli\u003ePaddle-wheel rotor with ceramic shaft for accurate measurement and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eFlow range: 3–35 GPM (recommended operating range up to 25 GPM for optimal accuracy).\u003c\/li\u003e\n\u003cli\u003ePulse output compatible with PT3002 \/ PT322 transmitters and most irrigation controllers.\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: approx. 5.45\" x 4.94\" x 2.21\" — suitable for inline tee installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1r3w84\" data-start=\"27\" data-end=\"203\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"82\"\u003ePremium brass construction for maximum durability\u003c\/strong\u003e — Built for long-term performance in demanding irrigation environments where strength and corrosion resistance matter.\u003c\/li\u003e\n\u003cli data-section-id=\"llicez\" data-start=\"205\" data-end=\"365\"\u003e\n\u003cstrong data-start=\"207\" data-end=\"257\"\u003eAccurate flow monitoring for system protection\u003c\/strong\u003e — Helps detect leaks, pipe breaks, and abnormal water usage to reduce waste and prevent landscape damage.\u003c\/li\u003e\n\u003cli data-section-id=\"ubvag2\" data-start=\"367\" data-end=\"509\"\u003e\n\u003cstrong data-start=\"369\" data-end=\"415\"\u003eReliable impeller-based sensing technology\u003c\/strong\u003e — Provides stable and consistent readings across a wide range of operating flow conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"1pq87d\" data-start=\"511\" data-end=\"675\"\u003e\n\u003cstrong data-start=\"513\" data-end=\"556\"\u003eIdeal for commercial irrigation systems\u003c\/strong\u003e — Well-suited for sports fields, golf courses, and large landscape installations requiring precise water management.\u003c\/li\u003e\n\u003cli data-section-id=\"jlopps\" data-start=\"677\" data-end=\"822\"\u003e\n\u003cstrong data-start=\"679\" data-end=\"720\"\u003eSupports smart controller integration\u003c\/strong\u003e — Works with Rain Bird advanced control platforms for automated shutoff and flow-based diagnostics.\u003c\/li\u003e\n\u003cli data-section-id=\"36uqtj\" data-start=\"824\" data-end=\"939\"\u003e\n\u003cstrong data-start=\"826\" data-end=\"870\"\u003eBrass tee design for secure installation\u003c\/strong\u003e — Ensures a robust, leak-resistant fit in 1\" irrigation pipelines.\u003c\/li\u003e\n\u003cli data-section-id=\"11upwyt\" data-start=\"941\" data-end=\"1077\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"943\" data-end=\"991\"\u003eLong service life with low maintenance needs\u003c\/strong\u003e — Durable materials and proven sensor design reduce upkeep and improve system uptime.\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=\"188\"\u003e\u003cstrong data-start=\"0\" data-end=\"45\"\u003eQ: What is the Rain Bird FS100B used for?\u003c\/strong\u003e\u003cbr data-start=\"45\" data-end=\"48\"\u003eA: It is a 1\" brass tee flow sensor designed to measure irrigation water flow for monitoring, leak detection, and system efficiency control.\u003c\/p\u003e\n\u003cp data-start=\"190\" data-end=\"327\"\u003e\u003cstrong data-start=\"190\" data-end=\"242\"\u003eQ: What pipe size is the FS100B compatible with?\u003c\/strong\u003e\u003cbr data-start=\"242\" data-end=\"245\"\u003eA: It is designed for 1-inch irrigation pipelines using a brass tee configuration.\u003c\/p\u003e\n\u003cp data-start=\"329\" data-end=\"468\"\u003e\u003cstrong data-start=\"329\" data-end=\"372\"\u003eQ: What material is the FS100B made of?\u003c\/strong\u003e\u003cbr data-start=\"372\" data-end=\"375\"\u003eA: Durable brass construction for high strength, corrosion resistance, and long service life.\u003c\/p\u003e\n\u003cp data-start=\"470\" data-end=\"614\"\u003e\u003cstrong data-start=\"470\" data-end=\"510\"\u003eQ: How does the FS100B measure flow?\u003c\/strong\u003e\u003cbr data-start=\"510\" data-end=\"513\"\u003eA: It uses an internal turbine\/impeller that generates pulse signals proportional to water flow rate.\u003c\/p\u003e\n\u003cp data-start=\"616\" data-end=\"781\"\u003e\u003cstrong data-start=\"616\" data-end=\"667\"\u003eQ: Is it compatible with Rain Bird controllers?\u003c\/strong\u003e\u003cbr data-start=\"667\" data-end=\"670\"\u003eA: Yes, it works with Rain Bird controllers that support flow sensing, including commercial irrigation systems.\u003c\/p\u003e\n\u003cp data-start=\"783\" data-end=\"928\"\u003e\u003cstrong data-start=\"783\" data-end=\"830\"\u003eQ: Can it help detect leaks or pipe breaks?\u003c\/strong\u003e\u003cbr data-start=\"830\" data-end=\"833\"\u003eA: Yes, it enables flow monitoring to identify abnormal water usage, leaks, or system failures.\u003c\/p\u003e\n\u003cp data-start=\"930\" data-end=\"1063\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"930\" data-end=\"979\"\u003eQ: Is it suitable for outdoor irrigation use?\u003c\/strong\u003e\u003cbr data-start=\"979\" data-end=\"982\"\u003eA: Yes, it is built for durable underground and outdoor irrigation installations.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1w9n3ck\" data-start=\"0\" data-end=\"51\"\u003e\u003cstrong data-start=\"2\" data-end=\"49\" data-is-only-node=\"\"\u003eRain Bird FS100B (1\" Brass Tee Flow Sensor)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1s27402\" data-start=\"52\" data-end=\"133\"\u003eInline \u003cstrong data-start=\"61\" data-end=\"95\"\u003e1\" brass tee-style flow sensor\u003c\/strong\u003e for commercial irrigation mainlines\u003c\/li\u003e\n\u003cli data-section-id=\"10ynop8\" data-start=\"134\" data-end=\"360\"\u003eUses a \u003cstrong data-start=\"143\" data-end=\"180\"\u003esix-blade impeller (paddle wheel)\u003c\/strong\u003e to generate pulse signals for flow measurement \u003c\/li\u003e\n\u003cli data-section-id=\"1udfxhh\" data-start=\"361\" data-end=\"444\"\u003eDesigned for \u003cstrong data-start=\"376\" data-end=\"442\"\u003eaccurate flow monitoring, leak detection, and zone diagnostics\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jr9bu9\" data-start=\"445\" data-end=\"628\"\u003eProvides data for Rain Bird controller features like:\u003c\/li\u003e\n\u003cli data-section-id=\"1e5iota\" data-start=\"505\" data-end=\"548\"\u003e\u003cstrong data-start=\"507\" data-end=\"546\" data-is-only-node=\"\"\u003eFlo-Watch (automatic leak shutdown)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"13bnw5h\" data-start=\"551\" data-end=\"583\"\u003e\u003cstrong data-start=\"553\" data-end=\"581\" data-is-only-node=\"\"\u003eLearned Flow calibration\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"eznmud\" data-start=\"586\" data-end=\"628\"\u003e\u003cstrong data-start=\"588\" data-end=\"626\" data-is-only-node=\"\"\u003eFloManager irrigation optimization\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1mn9heh\" data-start=\"629\" data-end=\"715\"\u003eBuilt with a \u003cstrong data-start=\"644\" data-end=\"670\"\u003edurable brass tee body\u003c\/strong\u003e for high-pressure, outdoor\/underground use\u003c\/li\u003e\n\u003cli data-section-id=\"1dito9c\" data-start=\"716\" data-end=\"807\"\u003eTypically used in \u003cstrong data-start=\"736\" data-end=\"805\"\u003ecommercial systems (golf courses, sports fields, parks, campuses)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12h2irq\" data-start=\"808\" data-end=\"907\"\u003eCompatible with \u003cstrong data-start=\"826\" data-end=\"905\"\u003eRain Bird ESP-LXD, ESP-LXMEF, ESP-LX series, and IQ central control systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xevd64\" data-start=\"908\" data-end=\"1036\"\u003eOperating range generally suited for \u003cstrong data-start=\"947\" data-end=\"1034\"\u003elow-to-medium irrigation flow zones (commonly ~3–35 GPM depending on system design)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s71d9e\" data-start=\"1037\" data-end=\"1124\"\u003eInstalled directly in-line on \u003cstrong data-start=\"1069\" data-end=\"1122\"\u003e1\" mainline piping for continuous flow monitoring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"84vsgx\" data-start=\"1125\" data-end=\"1226\" data-is-last-node=\"\"\u003ePurpose: enables \u003cstrong data-start=\"1144\" data-end=\"1226\" data-is-last-node=\"\"\u003ereal-time system protection, water tracking, and irrigation efficiency control\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rain Bird","offers":[{"title":"Default Title","offer_id":45805108199615,"sku":"FS100B","price":722.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/FS100B-2_d4dcd5f8-9914-491d-82cf-9e7f3a911182.jpg?v=1782943637","url":"https:\/\/www.mybackyardzone.com\/products\/1-brass-tee-flow-sensor","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}