7.5 GPM Washdown Pump Kit 80 PSI 12V for Marine & RV

SKU: KR2136

$104.99

  • ​Powerful Cleaning Performance​
  • Upgraded 5-Chamber Design & Smart Pressure Control​
  • Run Dry Capability & Long-Lasting Durability​
  • Quiet & Smooth Operation​
  • Complete Installation Kit & Versatile Use​

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Product description
Specifications
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Kohree diaphragm washdown pump kit with accessories on a boat

  • Unmatched Cleaning Power (7.5 GPM 80 PSI): Engineered for heavy-duty tasks, this pump delivers a massive 7.5 gallons per minute at 80 PSI. It blasts away stubborn salt, grime, fish blood, and mud from decks, hulls, and anchor wells significantly faster than standard 3-5 GPM systems.

    Blue and black spray gun with 10 spray modes

  • Upgraded 5-Chamber Stability: Featuring an advanced 5-chamber diaphragm design, this pump ensures smoother water delivery with less pulsation. The self-priming capability (up to 6 ft vertical lift) and automatic on-demand switch make starting your cleaning job instant and effortless.

    Kohree 7 gpm washdown pump kit component

  • Saltwater Ready & Run-Dry Safe: Built for harsh marine environments with an anti-corrosive stoving varnish coated motor. It handles both fresh and saltwater reliably and is engineered to run dry for short periods without immediate damage, ensuring longevity even in tough conditions.

    High-quality materials of a washdown pump system with close-up details

  • Complete Plug-and-Play Kit: Stop buying parts separately! This all-in-one solution includes the pump, a 20ft UV-resistant coiled hose, a high-pressure spray gun (32.8 ft reach), seawater filter, quick-connect fittings, and installation hardware. Everything you need is in the box.

    Complete washdown pump kit with various componentsMultifunctional washdown pump kit for yacht, gardening, car wash, irrigation, and RV camping

Scenario / Component
Recommended Use Performance Benefit Ideal For
Deck & Hull Wash
Engage spray gun for full 80 PSI blast
Rapid removal of salt crust, algae, and heavy grime
Cleaning boat decks, RV exteriors, anchor chains, dinghies
Fish Box & Well Cleanout
Use moderate trigger pressure with seawater filter
High volume flushes out blood and guts instantly
Fishing charters, cleaning live wells, rinsing gear after trips
Extended Reach Cleaning
Utilize the included 20ft Coiled Hose + Gun
Provides up to 32.8 ft total reach without moving the pump
Large yachts, cleaning hard-to-reach stern areas, washing cars/RVs
Dry Run Protection Accidental trigger release or low water Motor withstands short dry spells; auto-shutoff prevents burnout Preventing damage during tank changes or accidental misuse

Tip: For saltwater use, always engage the included seawater filter on the inlet side to prevent salt crystals from damaging the diaphragms. With 7.5 GPM, you have enough power to clean a large deck in minutes—keep the nozzle moving to avoid damaging delicate gel coats. The 20ft coiled hose retracts automatically, keeping your deck clutter-free when not in use!

  • Voltage: 12V DC
  • Water Flow: 7.5 GPM
  • Water Pressure: 80 PSI
  • Size: 8.86" (L) x 5.78" (W) x 5.1" (H)
  • Package Content: 1 x 20 ft uv protected coiled hose, 1 x spray gun, 1 x quick onnector, 1 x 50 mesh strainer, 5 x 1/2" bard fittings, 2 x stainless steel clamps, 1 x teflon tape

Need to purchase more? Please contact: frank@kohree.com

FAQs About 7.5 GPM Washdown Pump Kit 80 PSI 12V for Marine & RV

Absolutely. Delivering 7.5 gallons per minute (GPM) at 80 PSI, this pump provides high-flow, high-pressure cleaning power. This is significantly more output than many standard washdown systems, making it highly effective at blasting away stubborn salt, mud, fish slime, and debris from decks, hulls, and anchor chains, drastically reducing your cleaning time.

Traditional diaphragm pumps often have fewer chambers (like 3 or 4). This pump's 5-chamber design​ means it has five independent pumping diaphragms working in sequence. This results in smoother, more consistent water flow​ with less pulsation and pressure fluctuation compared to pumps with fewer chambers, providing a steadier, more powerful spray.

Yes, the kit includes a seawater filter, which is essential for raw water applications. You can plumb the pump's inlet (using the included barbed fittings) to pull water directly from a through-hull fitting, your bilge, or a dedicated washdown tank. The filter protects the pump from debris that could cause damage.