{"product_id":"30008571a-flow-sensor-navien-npe-a-tankless-water-heater","title":"30008571A Flow Sensor – Navien NPE-A Tankless Water Heater","description":"\n\u003ch2\u003e30008571A Water Flow Sensor Replacement for Navien NPE-A Series Tankless Water Heaters\u003c\/h2\u003e\n\u003cp\u003eKeep your Navien NPE-A series tankless water heater running at peak efficiency with this precision-matched \u003cstrong\u003e30008571A Water Flow Sensor\u003c\/strong\u003e. Engineered as a direct replacement for the original Navien part, this sensor accurately monitors water flow to ensure your unit fires up correctly and delivers consistent, uninterrupted hot water on demand.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Compatibility:\u003c\/strong\u003e Designed specifically as a 30008571A replacement for Navien NPE-A series tankless water heaters — guaranteed accurate fit for optimal performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e User-friendly design allows homeowners and technicians alike to swap out the sensor quickly and confidently, with no special tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Flow Detection:\u003c\/strong\u003e Accurately monitors water flow in real time, supporting efficient heater operation and a consistent hot water supply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Built from high-quality ABS material for long-lasting, reliable performance — reducing the frequency of replacements and keeping maintenance costs low.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect Inner Diameter:\u003c\/strong\u003e 22mm (0.9 in) inner diameter matches Navien NPE-A series specifications exactly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater Flow Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30008571A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNavien NPE-A Series Tankless Water Heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22mm \/ 0.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 84g \/ 2.96 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 30008571A Water Flow Sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Important Note:\u003c\/strong\u003e Please verify your Navien water heater model number before placing your order to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more home improvement and tool essentials from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with 1\/4\" Hex Screwdriver Bit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Navien models is the 30008571A water flow sensor compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 30008571A flow sensor is designed as a direct replacement for Navien NPE-A series tankless water heaters. Please check your specific model number before ordering to confirm compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the inner diameter of the 30008571A flow sensor?\u003c\/h4\u003e\n\u003cp\u003eA: The sensor has an inner diameter of 22mm (approximately 0.9 inches), matching the original Navien NPE-A series specification precisely.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this flow sensor easy to install without professional help?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the 30008571A sensor features a user-friendly design that makes installation straightforward for both homeowners and qualified technicians. No special tools are required, though consulting your heater's manual or a licensed plumber is always recommended for safety.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the flow sensor made from?\u003c\/h4\u003e\n\u003cp\u003eA: The sensor is constructed from durable ABS (Acrylonitrile Butadiene Styrene) plastic, chosen for its strength, chemical resistance, and long-term reliability in water heater applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Navien models is the 30008571A water flow sensor compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 30008571A flow sensor is designed as a direct replacement for Navien NPE-A series tankless water heaters. 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