{"product_id":"12v-45w-self-priming-diaphragm-booster-pump-auto-start-stop","title":"12V 45W Self-Priming Diaphragm Booster Pump Auto Start\/Stop","description":"\n\u003ch2\u003e12V 45W Self-Priming Diaphragm Booster Pump with Automatic Start\/Stop\u003c\/h2\u003e\n\u003cp\u003eDeliver reliable, consistent water pressure wherever you need it with this compact \u003cstrong\u003e12V 45W Self-Priming Diaphragm Booster Pump\u003c\/strong\u003e. Engineered for versatility, its automatic start\/stop pressure switch activates the pump on demand and shuts it off when flow stops — saving energy and extending pump life without any manual intervention.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're boosting water pressure in a commercial building, setting up a drip irrigation system, washing down equipment, or watering plants and fruit trees, this low-pressure diaphragm pump handles the job quietly and efficiently.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Start\/Stop:\u003c\/strong\u003e Built-in pressure switch starts the pump when flow is detected and stops it automatically when the line closes — no manual switching required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Priming Design:\u003c\/strong\u003e Pulls water from the source without pre-filling, making setup fast and straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiaphragm Sealing:\u003c\/strong\u003e Durable diaphragm construction handles clean water and alcohol-based fluids with no contamination risk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e At just 650 g, this pump installs easily in tight spaces — under sinks, in caravans, RVs, boats, or field equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Operation:\u003c\/strong\u003e Runs on 12V DC, compatible with solar panels, batteries, and standard DC power supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\/2\" (4 min) External Thread Outlet:\u003c\/strong\u003e Standard fitting for easy integration with most hose and pipe systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f4f4f4;\"\u003e\n      \u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eModel\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0142YB-12-45\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eVoltage\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Power\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e45W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Pressure\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.7 MPa\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Flow Rate\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4 L\/min\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutlet Size\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1\/2\" (4 min) External Thread\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSealing Material\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDiaphragm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCompatible Liquids\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eClean Water, Hot Water, Alcohol\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e650 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePressure Type\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eLow Pressure\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCommercial buildings \u0026amp; water distribution systems\u003c\/li\u003e\n  \u003cli\u003eDrinking water treatment \u0026amp; food and beverage processing\u003c\/li\u003e\n  \u003cli\u003eResidential homes \u0026amp; garden irrigation\u003c\/li\u003e\n  \u003cli\u003eCleaning equipment \u0026amp; pressure washing\u003c\/li\u003e\n  \u003cli\u003eWatering plants, flowers \u0026amp; fruit tree spraying\u003c\/li\u003e\n  \u003cli\u003eRV, caravan \u0026amp; marine water systems\u003c\/li\u003e\n  \u003cli\u003eAgricultural \u0026amp; horticultural applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuality Assurance Notice:\u003c\/strong\u003e Every pump undergoes a functional water test before shipment to verify normal operation. Units may arrive with minor residual moisture or water marks — this is a sign of thorough quality control, and your pump is brand new.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of liquids can this 12V diaphragm booster pump handle?\u003c\/h4\u003e\n\u003cp\u003eA: This self-priming diaphragm pump is compatible with clean water, hot water, and alcohol-based fluids. It is not designed for abrasive slurries, corrosive chemicals, or liquids outside those specified. Always verify fluid compatibility before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the automatic start\/stop function work on this booster pump?\u003c\/h4\u003e\n\u003cp\u003eA: The pump features a built-in pressure switch that detects when a tap or valve is opened (drop in line pressure) and automatically starts the pump. When the flow is stopped, the pressure builds back up and the switch cuts power to the motor — no manual switching needed and no wasted electricity.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this pump suitable for solar or battery-powered off-grid setups?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Operating at 12V DC with a maximum draw of 45W, this diaphragm booster pump is an excellent choice for off-grid systems powered by 12V solar panels or deep-cycle batteries, including RVs, boats, caravans, and remote agricultural installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum pressure and flow rate of this pump?\u003c\/h4\u003e\n\u003cp\u003eA: The pump delivers a maximum pressure of 0.7 MPa and a maximum flow rate of 4 litres per minute, making it well-suited for low-pressure boosting tasks such as garden irrigation, cleaning, and light commercial water distribution.\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\": \"What type of liquids can this 12V diaphragm booster pump handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This self-priming diaphragm pump is compatible with clean water, hot water, and alcohol-based fluids. It is not designed for abrasive slurries, corrosive chemicals, or liquids outside those specified. Always verify fluid compatibility before use.\"}}, {\"@type\": \"Question\", \"name\": \"How does the automatic start\/stop function work on this booster pump?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pump features a built-in pressure switch that detects when a tap or valve is opened (drop in line pressure) and automatically starts the pump. When the flow is stopped, the pressure builds back up and the switch cuts power to the motor — no manual switching needed and no wasted electricity.\"}}, {\"@type\": \"Question\", \"name\": \"Is this pump suitable for solar or battery-powered off-grid setups?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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