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Shurflo by Pentair

The Shurflo by Pentair 8050-305-426 Oil Change/Winterizing System is a 12V DC, self-priming pump designed for marine and RV use, enabling easy oil changes and engine winterizing. It includes a 3.5-gallon container, 8-foot battery cables, and hoses to transfer liquids efficiently, featuring thermal overload protection. 

Key Features and Capabilities

  • Purpose: Ideal for changing engine oil, transmission fluid, and pumping antifreeze for winterization.
  • Components: Includes a 3.5-gallon plastic storage container, a 12V DC pump with 8-foot cables/battery clips, and a hose kit with a dipstick probe.
  • Performance: 1.5 GPM flow rate, self-priming, and capable of running dry.
  • Durability: Features a thermally protected motor and Geolast, oil-resistant diaphragms.
  • Weight & Dimensions: The unit weighs approximately 6.4 lbs (or ~9 lbs in packaging) and stands about 15.5 inches high. 

Operation for Winterization Preparation: Warm the engine (140°F-160°F) to ensure oil flows easily, then turn off the engine. Setup: Connect the red clip to the positive (+) battery terminal and the black clip to the negative (-) ground terminal. Extraction: Insert the dipstick probe into the oil dipstick tube, ensuring it reaches the bottom of the pan. Transfer: Turn the switch to "ON" to pump oil or antifreeze into the container. 

The system is commonly used in marine environments for quick, clean oil changes. 

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