{"product_id":"ristow-rv-macerator-pump-12v-12-gpm-compact-self-priming-sewage-pump-stainless-blades-thermal-protection","title":"Ristow RV Macerator Pump 12V 12 GPM — Compact Self-Priming Sewage Pump, Stainless Blades \u0026 Thermal Protection","description":"\u003cp\u003e\u003cstrong\u003eThe Ristow RV Macerator Pump is a 12V, 12 GPM self-priming sewage pump that quickly grinds and moves waste for fast, reliable RV holding-tank emptying.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact macerator kit pairs a high-speed copper motor with stainless steel cutting blades to reduce solids and evaculate gray\/blackwater efficiently. Designed for mobile use, it delivers up to 12 gallons per minute (45 LPM) and includes the fittings and power leads needed for straightforward installation and occasional on-road operation. The unit's thermal protection and run-dry safeguards help avoid motor damage during intermittent use, while its self-priming ability and 10 ft lift make it suitable for common RV dumping scenarios.\u003c\/p\u003e\n\n\u003ch3\u003eHow fast will the Ristow macerator empty my RV holding tank?\u003c\/h3\u003e\n\n\u003cp\u003eThe pump moves up to 12 GPM (45 LPM), so a typical 150 L tank can be emptied in about five minutes under normal conditions. Flow depends on hose length, vertical lift, and tank contents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlow rate: 12 GPM \/ 45 LPM\u003c\/li\u003e\n  \u003cli\u003eTypical 150 L tank: roughly 5 minutes to empty\u003c\/li\u003e\n  \u003cli\u003eLift capacity: up to 10 ft vertical\u003c\/li\u003e\n  \u003cli\u003ePerformance varies with hose diameter and clogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the macerator do to solid waste and what should I avoid?\u003c\/h3\u003e\n\n\u003cp\u003eThe macerator uses four stainless steel spiral blades to chop solids down to about 1\/8 inch (4 mm) so they can pass through hoses and fittings. It is effective for typical toilet waste and toilet paper but not intended for large, hard objects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCutting size: reduces solids to ~4 mm\u003c\/li\u003e\n  \u003cli\u003eBlade material: stainless steel for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eNot recommended for sanitary napkins, rags, or hard debris\u003c\/li\u003e\n  \u003cli\u003ePeriodic inspection prevents blockages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the pump powered and what safety features are included?\u003c\/h3\u003e\n\n\u003cp\u003eThe unit runs on 12V DC and comes with a cigarette lighter cable plus alligator clips for battery hook-up, allowing flexible installation and portable use. The motor has thermal overload protection and run-dry sensing to reduce risk of damage from overheating or lack of fluid.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower: 12V DC, cigarette-lighter and alligator clip leads included\u003c\/li\u003e\n  \u003cli\u003eMotor: 100% copper for efficient operation and heat dissipation\u003c\/li\u003e\n  \u003cli\u003eProtections: thermal shutoff and run-dry protection\u003c\/li\u003e\n  \u003cli\u003eIntermittent duty cycle recommended for longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the Ristow macerator pump kit and is installation difficult?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit arrives ready to connect with a macerator pump, valve connector for fresh water port, hose fittings, power leads, transparent hose, clamps, and a user manual. Most RV owners can install the unit with basic tools; follow the included instructions for secure hose clamps and correct electrical connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: pump, on\/off valve connector, 7.6 ft cigarette cable\u003c\/li\u003e\n  \u003cli\u003eAlso included: 1.3 ft alligator cables, GHT hose connector, 10\" transparent hose\u003c\/li\u003e\n  \u003cli\u003eExtras: two hose clamps and user manual for guidance\u003c\/li\u003e\n  \u003cli\u003eInstallation: basic plumbing and 12V wiring skills required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Ristow 12V macerator pump suits RV owners, camper van travelers, and boaters who need a portable, efficient solution for dumping holding tanks faster and farther than gravity alone allows. It's aimed at users who want a compact kit with reliable cutting blades, straightforward hookups, and safety features that protect the motor during intermittent use. Avoid heavy-duty industrial uses or pumping fluids with inappropriate debris; this product is optimized for typical RV waste and routine tank maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the Ristow macerator pump handle a full RV blackwater tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes; it’s designed to pump blackwater and toilet paper, reducing solids to about 4 mm. Avoid large hard objects, sanitary napkins, and rags to prevent clogs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What power connections are included for the 12V motor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes a 7.6 ft cigarette-lighter cable and a 1.3 ft alligator-clip lead for direct battery connection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ristow","offers":[{"title":"Default Title","offer_id":48079981314206,"sku":"B0BRMQJDTS","price":169.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ristow-front-view.jpg?v=1785778113","url":"https:\/\/northtrailauto.ca\/products\/ristow-rv-macerator-pump-12v-12-gpm-compact-self-priming-sewage-pump-stainless-blades-thermal-protection","provider":"North Trail Auto","version":"1.0","type":"link"}