Automatic Utility Sink Pump 1/3 HP 115V Includes Drain Screen Check Valve & Ball Valve | Installed Directly Under Sink | Gravity Free Drainage Laundry Sink Pump for Laundry & Basement

This 1/3 HP automatic utility sink pump is built for gravity-free drainage scenarios, removing the need for traditional drain traps and vent piping. It allows flexible sink installation in basements, laundry rooms, wet bars and compact utility spaces without major renovation.SpecificationsMotor: 1/3 HP single-phase pure copper motor, 115V/60HzProtection: Built-in thermal overload protectionFlow Rate: 22 GPM (for solid-free wastewater)Max Vertical Lift: 17 ftSuitable Liquid Temp: 32–95°F (0–35°C)Housing Material: Aerospace-grade thermoplastic (rust & corrosion resistant)Control System: Stacked diaphragm sensor, automatic mode + manual overridePower Cord: 8 ft grounded cord with quick-disconnect functionDurability Test: 2000+ hours of continuous operation testingFootprint: 40% more compact than standard equivalent pumpsPackage Contents1 × Under-sink drainage pump main unit1 × Drain strainer1 × Upgraded 1-1/4" NPT check valve1 × Ball valveApplicable ScenariosBasement laundry sinks, commercial wash sinks, home wet bars, small kitchenettes, modular bathroom units, and other spaces without gravity drainage conditions. It handles detergent-containing water and mild acidic/alkaline wastewater stably.NotesThe check valve has been fully upgraded for better sealing and reliabilityFor solid-free wastewater only; clean the strainer regularly to prevent cloggingLow operational noise, will not affect normal rest and daily activitiesPlease confirm the size compatibility before orderingBacked by 1-year warranty and official after-sales support

• 【Gravity-Free Automatic Utility Sink Pump】Engineered specifically for spaces without natural gravity drainage, this 1/3 HP automatic utility sink pump eliminates the need for traditional drain traps and vent piping entirely. Drain pump breaks the constraints of fixed plumbing layouts, working seamlessly for basement laundry stations, commercial utility sinks, wet bars, and compact kitchen or bathroom units. You can add a fully functional sink to almost any space, with no pre-built drainage infrastructure required
• 【Dual-Mode Smart Operation with Built-In Flood Protection】Adopting a stacked diaphragm sensor switch, the utility pump supports automatic operation and manual override to achieve unattended drainage and effectively prevent sink overflow and flooding risks. The 8ft grounded power cord with a quick-disconnect design allows for instant emergency shutoff. Under sink pump reliably handles wastewater with detergents and mild acids/alkalis, adapting perfectly to harsh laundry and basement scenarios
• 【Complete Retrofit Kit】The modular under-sink pump comes with a full installation set including a drain strainer, upgraded 1-1/4" NPT slip check, and ball valve. No embedded piping, main vent pipe connection, or concrete demolition is required, making it perfect for retrofitting finished spaces. Its compact footprint fits tight under-sink areas and supports quick disassembly for simple routine maintenance.
• 【Compact Footprint with High-Output Drainage Power】40% more space-efficient than standard comparable laundry sink pump, this unit can be concealed neatly under counters without sacrificing performance. Water pump for sink high-efficiency 1/3 HP motor delivers a 22 GPM flow rate for solid-free wastewater and a maximum vertical lift of 17 feet, easily covering most residential and light commercial drainage needs. Sink drain pump operates stably with liquid temperatures from 32°F to 95°F (0°C to 35°C), adapting to everyday use across all seasons.
• 【Quality Promise】Built with aerospace-grade thermoplastic housing, the laundry automatic sink pump is completely rust-proof and corrosion-resistant, standing up to long-term exposure to sewage and damp conditions. Basement sink drain pump runs on a 115V/60Hz thermal-protected pure copper motor that has passed over 2,000 hours of continuous operation testing — three times the average industry service life. Backed by our comprehensively upgraded check valve, a 1-year product warranty and 24/7 customer support, every purchase comes with full peace