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🚀 Power through sludge like a pro with Allegro’s industrial-grade pump!
The Allegro Industries 9404-04 Sludge Dewatering Pump is a robust, submersible utility pump featuring a 0.5 HP motor capable of pumping up to 53 gallons per minute with a max lift of 39 feet. Built with industrial-grade materials including ductile cast iron and stainless steel, it handles solids up to 1” x 3/8” and is designed for continuous low-water operation without overheating. Trusted by professionals since 1987, it’s ideal for construction sites, flood cleanup, wastewater treatment, and sediment removal, offering long-lasting performance with advanced mechanical seals and thermal protection.






| ASIN | B00TD6IGBC |
| Best Sellers Rank | #277,300 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #286 in Sump Pumps |
| Brand | ALLEGRO |
| Brand Name | ALLEGRO |
| Color | Stainless Steel |
| Customer Reviews | 4.5 out of 5 stars 9 Reviews |
| Flow Rate | 50 gpm |
| Horsepower | 0.5 hp |
| Manufacturer | Allegro Industries |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Flow Rate | 50 gpm |
| Maximum Lifting Height | 39 feet |
| Model Number | 9404‐04 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Ac/dc |
| Product Style | Submersible |
| Specific Uses For Product | construction, flood cleanup, wastewater treatment, sediment removal |
| Style | Submersible |
| UPC | 721577287068 |
| Unit Count | 1 Count |
A**R
Great product
Great product, did a great job sucking out our drain in our automotive shop
C**N
Leaves an half inch or so due to placement of suction intake in housing
Desludging sumps, pools
J**Y
Reliable pump but doesn’t handle much beyond moderately muddy water.
The pump is reliable but it cannot really handle sludge, it isn’t powerful enough. Once I get to the moderate sludge in my duck pond it stops pumping. Otherwise it works great to empty the pond, but I was looking for something to get at least some of the goop from the bottom.
C**1
Using Pump
Very easy to use and great value
Trustpilot
1 month ago
1 week ago