12V Diaphragm Pump, 1.8 GPM (6.81 L/Min), 3-Chamber 12 Volt DC Water Pump With Automatic Pressure Switch 40-100 PSI Adjustable, 60 PSI, 1/2'' MNPT Port, For RV Yacht Food Truck Camper Marine

About these items High Flow Performance for Versatile Use These 12V water pumps offer flow rates ranging from 1.8 GPM to 7 GPM, ensuring efficient water delivery for various applications. Whether you're washing down a boat deck, supplying water to an RV kitchen, or managing irrigation in a greenhouse, the pumps provide reliable, high-capacity output. Each model is optimized to meet different scale needs-small campers, medium food trucks, or heavy-duty cleaning-while maintaining consistent pressure. With stable output ranging from 50 to 70 PSI, these pumps quickly eliminate low pressure problems for smoother water flow and better performance. Smart Pressure Control with Auto Switch All models feature an automatic pressure switch with an adjustable range between 40 and 100 PSI, making pressure regulation intuitive. The built-in pressure switch activates the pump when the faucet is turned on and stops it when closed, optimizing power use and water delivery. Tested for over 200,000 cycles, these components ensure long-term durability and fast response under repeated use. This makes the pumps particularly suitable for on-demand water systems, like those found in RVs or off-grid cabins where consistent water pressure is critical. Quiet Operation and Smooth Motor Performance Equipped with pure copper motors and durable plastic pump bodies, these pumps are engineered for quiet operation and minimal vibration. Their design includes noise-dampening bases and efficient internal structures to ensure low decibel levels even during peak usage. Some units also feature EPDM valves that reduce internal friction and extend lifespan. Whether installed under a kitchen cabinet or in a mobile setup, these pumps allow for discreet operation that won't disturb sleep or workflow, making them ideal for enclosed or shared environments. Comprehensive Protection and Security Features Built-in thermal and overload protection help protect the motors from overuse and high temperatures. These features prolong the pump's service life, especially in demanding or continuous use scenarios. Each pump supports dry running and includes a bypass check valve to maintain water flow, even during partial system failures. All units are CE and ROHS certified, ensuring compliance with safety and natural standards. For outdoor and marine applications, select models include ABS waterproof housings to protect inner components from moisture and salt exposure. Standardized Connections and Easy Installation These 12V pumps come with standard 1/2'' MNPT fittings, making installation and replacement straightforward with minimal tools. Each unit is compact enough to fit into tight engine bays or under-sink cabinets, with lightweight bodies for easy transport and mounting. Some models include additional accessories such as filters and fittings to help users integrate the pump into existing systems quickly. Applications include RVs, campers, boats, fish tanks, food trucks, agricultural irrigation, and even light-duty municipal drainage. Key Differences The NMDP33-G18-60-12 model delivers 1.8 GPM at 60 PSI with a 60W motor, ideal for small setups like RV sinks or compact marine systems. In contrast, the NMDP33-G35-50-12 offers nearly double the flow at 3.5 GPM with a 104W motor, making it more suitable for mid-size applications. The NMDP52-G50-70-12 stands out with a 5-chamber design and 5.0 GPM capacity at 70 PSI, built for higher-demand tasks like irrigation or municipal drainage. Meanwhile, the VV-CXB-7GM model is the most powerful at 7 GPM and 240W, including waterproof housing and specialized connectors for washdown and saltwater environments. Specifications NMDP33-G18-60-12 Voltage: DC 12V Power: 60W Max Pressure: 60 PSI Max Flow Rate: 1.8 GPM / 6.81 L/min Inlet/Outlet Diameter: 1/2'' MNPT Net Weight: 3.85 lbs / 1.75 kg Dimensions: 8.15 x 5.43 x 4.92 in / 207 x 138 x 125 mm NMDP33-G35-50-12 Voltage: DC 12V Power: 104W Max Pressure: 50 PSI Max Flow Rate: 3.5 GPM / 13.25 L/min Inlet/Outlet Diameter: 1/2'' MNPT Net Weight: 4.28 lbs / 1.94 kg Dimensions: 8.15 x 5.43 x 4.92 in / 207 x 138 x 125 mm NMDP52-G50-70-12 Voltage: DC 12V Power: 216W Max Pressure: 70 PSI Max Flow Rate: 5.0 GPM / 18.93 L/min Inlet/Outlet Diameter: 1/2'' MNPT Net Weight: 6.28 lbs / 2.85 kg Dimensions: 8.74 x 5.83 x 5.08 in / 222 x 148 x 129 mm VV-CXB-7GM Voltage: DC 12V Power: 240W Max Current: 20A Flow Rate: 7 GPM Max Lift: 10 ft / 3 m Max Temperature: 140℉ / 60℃ Shell Material: ABS Product Weight: 10.36 lbs / 4.7 kg Dimensions: 11 x 7.4 x 6.3 in / 28 x 18.7 x 16 cm Package Contents NMDP33-G18-60-12 1 x 12V Water Pump 1 x User Manual NMDP33-G35-50-12 1 x 12V Water Pump 1 x Filter 1 x User Manual NMDP52-G50-70-12 1 x 12V Water Pump 1 x Filter 1 x User Manual VV-CXB-7GM 1 x Water Pump 2 x 1/2'' Female Threads 1 x 1/2'' Male Thread