{"product_id":"attwood-tsunami-mk2-800-gph-12-volt-thred-manual-bilge-pump-reliable","title":"Attwood Tsunami MK2 800 GPH 12-Volt Thred Manual Bilge Pump - Reliable","description":"\u003cp\u003eIn this review of the Attwood Tsunami MK2 800 GPH manual bilge pump, the bottom line is simple: this is the best non-automatic freshwater manual bilge pump for boaters who need a compact, reliable pump that resists air-locks. The standout reason to buy is the patented \u003cstrong\u003eX-Air Impeller\u003c\/strong\u003e, which actively ejects trapped air so the pump keeps moving water instead of running dry. Installation-oriented users will also value the rotatable elbow and single-hand cartridge release when servicing pumps in tight compartments.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented X-Air Impeller:\u003c\/strong\u003e Forces air bubbles out of the hose and pump so the unit avoids air-locks and keeps pumping water reliably in freshwater use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e800 GPH flow rate:\u003c\/strong\u003e Provides robust manual pumping capacity for emergency bilge emptying and bait tank drainage without relying on power-hungry systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible rotatable outlet:\u003c\/strong\u003e The 90 rotatable elbow and dual 3\/4' and 1' barb outlets let installers orient discharge precisely and adapt to existing hose runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-hand cartridge release:\u003c\/strong\u003e Allows quick access and servicing of the pump cartridge even when the pump is in a hard-to-reach area of the hull.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetrofit footprint:\u003c\/strong\u003e Fits the footprint of the prior model for an easy swap into boats set up for the earlier pump design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in check valve and wiring length:\u003c\/strong\u003e Includes a check valve to prevent backflow plus 29' of wire and a recommended 5A fuse size for a straightforward electrical hookup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Tsunami MK2 is aimed at small-boat owners, anglers using bait tanks, and anyone who prefers a manual backup bilge solution that is easy to install and service. It is particularly useful for freshwater operators who have experienced air-locks with other manual pumps and want a proven solution that reduces the risk of running the pump dry.\u003c\/p\u003e\n\u003cp\u003eBoaters who require an automatic bilge solution or who operate primarily in saltwater with heavy debris may want to consider an automatic or larger-capacity bilge system. This pump is optimized for manual use and freshwater reliability rather than unattended auto operation.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEliminates air-locks with the \u003cstrong\u003eX-Air Impeller\u003c\/strong\u003e, improving reliability in freshwater applications.\u003c\/li\u003e\n\u003cli\u003eEasy to install and service thanks to the single-hand cartridge release and retrofit footprint.\u003c\/li\u003e\n\u003cli\u003eFlexible discharge options with rotatable elbow and two barb sizes make routing simple.\u003c\/li\u003e\n\u003cli\u003eIncludes check valve and 29' of wire for practical wiring and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned as a non-automatic manual pump, so it is not a substitute for an automatic bilge system when unattended operation is needed.\u003c\/li\u003e\n\u003cli\u003ePerformance is specified for freshwater; saltwater operators should verify long-term corrosion resistance for their use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e5608-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e800 GPH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Fuse\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Types\u003c\/td\u003e\n\u003ctd\u003e3\/4' and 1' barb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck Valve\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Length\u003c\/td\u003e\n\u003ctd\u003e29'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Attwood Tsunami MK2 is a smart buy for owners who want a dependable manual bilge pump that avoids air-locks and is easy to install and service. For freshwater boats and bait tanks the combination of the \u003cstrong\u003eX-Air Impeller\u003c\/strong\u003e, flexible outlets, and retrofit footprint delivers strong value for a compact 12V manual pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this pump prevent air-locks?\u003c\/strong\u003e\u003cbr\u003eThe patented X-Air Impeller forces trapped air out of the hose and pump so it resists air-locks in freshwater setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size fuse and wiring are required?\u003c\/strong\u003e\u003cbr\u003eUse a 5A fuse as recommended; the unit includes 29' of wire to simplify wiring runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it replace older models easily?\u003c\/strong\u003e\u003cbr\u003eYes, the Mk2 retrofits the footprint of the previous offering for a straightforward swap into existing installations.\u003c\/p\u003e","brand":"attwood","offers":[{"title":"Default Title","offer_id":48742367756507,"sku":"B09F2GLPZ8","price":49.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61X_aFpVTBL._AC_SL1500.jpg?v=1778995311","url":"https:\/\/gearmusthave.com\/products\/attwood-tsunami-mk2-800-gph-12-volt-thred-manual-bilge-pump-reliable","provider":"GearMustHave","version":"1.0","type":"link"}