[Tigerexped] Pressurised water pump with bypass 18 l/min, 4 bar for 12V systems

Reliable Fresh Water Flow for Travel Vehicles & Boats

Experience dependable, high-performance water pressure on the road or at sea with the Tigerexped 18/4 diaphragm water pump. Featuring a robust five-chamber design, this pump delivers a steady flow rate of 18.9 L/min, ensuring your fresh water supply feels just like home. It’s built for long-term use, easy to service, and backed by available spare parts—making it a sustainable choice for serious travelers and overlanders.

Whether installed upright, sideways, or upside down, this pump provides maximum flexibility for tight or creative layouts in RVs, camper vans, expedition rigs, and boats.

Looking to build or upgrade your full water system? Check out our water system accessories, including certified drinking water hoses, accumulator tanks, water filters, sinks, and shower sets.

✅ Key Features:

• High Flow Rate: 18.9 L/min from a powerful 5-chamber diaphragm

• Flexible Installation: Mount in any position—vertical or horizontal

• Durable & Repairable: Built for longevity with replaceable parts

• Quiet Operation: Professional install guidance ensures optimal sound performance

• Travel-Tested: Trusted by overlanders and boaters alike

📐 Technical Specifications:

• Dimensions (L x W x D): 216 × 146 × 131 mm /8.5" × 5.75" × 5.2"

• Weight: 2.68 kg /5.9 lbs

• Voltage: 12 V

• Current Draw: 15 A

• Max Water Temp: 60 °C / 140 °F

• Suction Height: up to 1.8 m / 6ft

• Flow Rate: 18.9 L/min / 5.0 GPM (gallons per minute)

• Shut-off Pressure: 60–65 psi / 4.2 bar

• Start-up Pressure: 1.4 bar / 20–25 psi

• Bypass Pressure: 5 bar / 72–76 psi

📦 Included in the Box:

• 1× Tigerexped 5-chamber diaphragm pump

• 1× Pre-filter (1/2” NPT)

• 2× 10 mm 1/2” NPT fittings