VEVOR Macerator Pump, 500W, 6600 L/h Flow, 26.2 ft/8 m Head, Macerator Sewerage Sump Pump with 3 Water Inlets for Toilet, Basement, Kitchen, Sink, Shower, Bathtub Waste Water Disposal Upflush Machine

Its maximum horizontal distance is 80 meters, but the flow rate is 0. It is recommended to use it within 60 meters.

Yes, it requires periodic cleaning. Expect every 3–12 months depending on usage, with more frequent checks if it handles kitchen or heavy waste.

No, the pipes must be installed upwards first, then horizontally. If a horizontal transition is necessary, the length of the horizontal drain cannot exceed 30cm, and the upward lifting height must be greater than or equal to 1 meter.

The voltage is 220V, we can not use it in a boat under 12volts DC.

This one has the knives to grind up the wastewater, before pumping it out, but the 300w one does not have the knives.