Mini DC Foam and Liquid Pump for Automatic Soap Dispensers A compact, easytointegrate pump module designed for DIY hand washers, foam soap dispensers, and small spraying machines. Powered by lowvoltage DC, the pump delivers consistent foam or liquid output with reliable selfpriming operation, making it practical for retrofit projects and custom dispenser builds. Key benefits Versatile operation: Functions as a foam pump and liquid pump with selfpriming capability, suitable for automatic soap dispensers and small spraying applications. Lowvoltage battery compatibility: Operates on DC 3V or DC 3.7V, allowing batterypowered or portable setups without complex wiring. Compact form factor: Mini 310 motor size fits tight spaces and common DIY dispenser housings, enabling simple installation or replacement. Reliable performance: Designed for continuous intermittent use in hand washers and spraying machines where steady pumping and foaming are required. DIY friendly: Straightforward integration into custom or existing dispenser systems for home, workshop, or commercial touchless solutions. Features and specifications Motor type: Mini 310 motor pump Voltage: DC 3V and DC 3.7V compatible Functions: Foam pump, liquid pump, selfpriming, suitable for spraying and automatic soap dispensing Intended use: DIY hand washer projects, conversion of manual dispensers to automatic, small spraying machines Practical uses Automatic soap dispenser retrofit: or upgrade the pump in a countertop or wallmounted dispenser to add touchless foam dispensing powered by battery. Portable hand washer for workshops and events: Build a compact, batteryoperated unit for hand cleaning where mains power is not available. Small spraying and dosing applications: Integrate into compact spraying machines that require controlled liquid delivery or foam generation for cleaning tasks. Why choose this pump Matches common mini 310 motor pump form factor for easy swapin Operates on simple DC power for flexible installation options Selfpriming design reduces setup time and helps maintain steady output Compatibility and installation tips Compatible with systems that accept a mini 310 pump module and lowvoltage DC input Use appropriate tubing and fittings for the liquid being dispensed to ensure reliable operation For battery operation, select a stable 3V or 3.7V power source and secure connections to prevent intermittent power loss This pump is suitable for DIY builders, technicians, and anyone converting or assembling small automatic soap dispensers, foam hand washers, or compact spraying machines that require a dependable, lowvoltage pump solution.