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    • Delavan 5850-201E-SB PowerFLO 12V Diaphragm Pump, 5.0 GPM, 60 PSI, Demand Switch, 1/2" FNPT Ports
    • Delavan 5850-201E-SB PowerFLO 12V Diaphragm Pump, 5.0 GPM, 60 PSI, Demand Switch, 1/2" FNPT Ports, image 2

    Delavan 5850-201E-SB PowerFLO 12V Diaphragm Pump, 5.0 GPM, 60 PSI, Demand Switch, 1/2" FNPT Ports

    Vendor: Delavan Type: Diaphragm Pump
    Regular Price $150.46
    Shipping calculated at checkout.

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    The Delavan 5850-201E-SB is a 5-chamber 12 volt demand pump that delivers up to 5.0 GPM and shuts off at 60 PSI. It replaces the older 5850-101E and uses 1/2" FNPT threaded ports. It is a strong choice for boom sprayers, tank filling and 12V water transfer.

    Key Features

    • Certified to NSF/ANSI Standard 61 & 372
    • Made in the USA
    • 100% Factory tested
    • 2 Year warranty from date of purchase
    • NSF/ANSI Standard 61 – Drinking Water System Components – Health Effects
    • NSF/ANSI 372 and conforms with the lead content requirements for “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act
    • Demand Switch – Operates only when liquid flow is required
    • Capable of being run dry
    • Excellent self-priming capability
    • Replaces 5850-101E

    Specifications

    Brand Delavan
    Manufacturer Part Number 5850-201E-SB
    UPC 830344007461
    Motor Type 12 VDC permanent magnet, totally enclosed, non-ventilated
    Motor Leads 14 AWG, 6” long with 2-pin connector
    Motor Amps 6.0 – 16.3
    Motor Duty Cycle See Heat Rise graph
    Motor Shell Coated Steel
    Housing Polypropylene
    Valves Viton
    Diaphragm Santoprene
    Fasteners Stainless Steel
    Pump Type 5-chamber positive displacement
    Liquid Temperature 140° F Max.
    Priming Capabilities 14’
    Max. Flow 5.0 GPM
    Pressure Shut-Off 60 PSI
    Inlet/Outlet Ports 1/2” FNPT
    Packaging Small box
    Weight 6.0 lbs

    Frequently Asked Questions

    What part number does it replace?

    The 5850-201E-SB replaces Delavan 5850-101E.

    What is the amp draw?

    From 6.0 to 16.3 amps at 12 VDC, depending on pressure.

    Will it shut off on its own?

    Yes. The demand switch turns the pump off at 60 PSI when outlets close.

    What ports does it have?

    1/2" FNPT threaded inlet and outlet.

    Is there a lower-pressure version?

    Yes. The 5850-201C-SB shuts off at 45 PSI.

    Product Specifications
    Specification Name Specification Value
    Color pattern Black
    Hardware material Stainless steel
    Power source DC-powered
    Service & Support

    Warranty

    This product is backed by a 12-month limited warranty, covering defects in materials and workmanship under normal use.

    Technical Assistance

    Our dedicated support team is available to assist with product setup, operation guidance, and troubleshooting. Contact us via email or phone for prompt service.

    Documentation & Downloads

    Access essential resources including the user manual, technical specifications, and safety instructions in our online support center.

    Replacement Parts & Accessories

    We offer a full range of genuine replacement parts, including batteries, chargers, and compatible accessories to ensure long-term performance.

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