--- product_id: 12472284 title: "1/3 HP Epoxy Coated and Cast Iron Submersible Sump Pump" brand: "wayne" price: "S$390" currency: SGD in_stock: true category: "Wayne" url: https://www.desertcart.sg/products/12472284-1-3-hp-epoxy-coated-and-cast-iron-submersible-sump store_origin: SG region: Singapore --- # 0.3 HP motor power Up to 4,600 GPH flow rate 3-year limited warranty 1/3 HP Epoxy Coated and Cast Iron Submersible Sump Pump **Brand:** wayne **Price:** S$390 **Availability:** βœ… In Stock ## Summary > πŸ’§ Stay dry, stay ahead β€” the sump pump that works as hard as you do! ## Quick Answers - **What is this?** 1/3 HP Epoxy Coated and Cast Iron Submersible Sump Pump by wayne - **How much does it cost?** S$390 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/12472284-1-3-hp-epoxy-coated-and-cast-iron-submersible-sump) ## Best For - wayne enthusiasts ## Why This Product - Trusted wayne brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Powerful 1/3 HP Motor:** Delivers robust pumping performance to keep your basement dry even during heavy water flow. - β€’ **Smart Top Suction Design:** Minimizes clogging and air locks by filtering debris, reducing maintenance and downtime. - β€’ **Massive 4,600 GPH Capacity:** Handles high volumes of water efficiently, ensuring rapid drainage and peace of mind. - β€’ **Durable Cast Iron & Stainless Steel:** Built to last with corrosion-resistant materials for long-term reliability in tough conditions. - β€’ **Effortless Installation & Quiet Operation:** Set up in 15 minutes with no plumbing changes needed, plus enjoy ultra-quiet performance. ## Overview The WAYNE CDU790 is a heavy-duty 1/3 HP submersible sump pump designed for indoor use, capable of pumping up to 4,600 gallons per hour. Featuring a corrosion-resistant cast iron housing and stainless steel fasteners, it offers durability and quiet operation. Its innovative top suction design reduces clogging, while the integrated vertical float switch ensures reliable automatic activation. Proudly assembled in the USA and backed by a 3-year warranty, this pump is a trusted solution for keeping basements dry during heavy water flow. ## Description Product Description 1/3 hp cast iron submersible sump pump with vertical switch pumps up to 4600 gph at 0' designed for 11 inch diameter or larger sump basin top suction design filters debris and minimizes clogging designed for easy installation without any Plumbing changes epoxy coated steel high performance 1/3 hp motor 1-1/2 inch NPT discharge & durable cast iron base easy carry handle for portability float guard protects switch from hang ups Easy installation and easy handling. From the Manufacturer The Wayne CDU790 features durable cast iron housing for long life and quiet operation. This submersible pump is compactly designed for 11" or larger sump pits. The CDU series is one of the most popular replacement pumps in America. The ceramic mechanical seal assures long life in the most demanding applications and the 1 1/2" discharge allows easy installation plus maximum flow. Similar applications to the following brands of submersible sump pumps , Craftsman, Zoeller, Flotec, Water Ace, Myers, Little Giant, Liberty, Pit Viper, Ridgid, Blue Angel, Sta-Rite, Starite, Diamond, Star, Flint and Walling, Coleman, Maytag, Jacuzzi, ShurDri, Shur-dri, GSW, Teel, Master Plumber, UL listed. Intended for indoor use only. ## Features - Indoor Use Only - This 1/3 HP WAYNE basement sump pump is perfect to keep your basement dry during heavy water flow. Whether it’s rain, snow melting, etc. WAYNE model CDU790 can pump up to 4,600 GPH to keep your basement dry. - Tough And Durable - Corrosion-resistant epoxy coated steel motor housing and stainless steel fasteners come with a cast-iron volute that provides long life in tough sump pump applications. - Efficient Design - The top suction design eliminates air lock and minimizes clogging from any debris in the bottom of the sump pit. Easy to install in about 15 minutes with no need to drill a weep hole! - Quality You Deserve - Proudly assembled in the USA for quality you can trust. Warrantied for 3 years for dependable, efficient, & ultra-quiet performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002YVQA2 | | Best Sellers Rank | #6,532 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Sump Pumps | | Brand | Wayne | | Brand Name | Wayne | | Color | Black | | Customer Reviews | 4.7 out of 5 stars 2,303 Reviews | | Flow Rate | 63 Gallons Per Minute | | Global Trade Identification Number | 00040066100016 | | Horsepower | 0.3 Horsepower | | Included Components | Pump | | Item Dimensions L x W x H | 10.5"L x 9"W x 11"H | | Item Type Name | 1/3 HP Submersible Cast Iron and Steel Sump Pump With Integrated Vertical Float Switch | | Item Weight | 16.4 Pounds | | Manufacturer | Wayne Water Systems | | Manufacturer Part Number | CDU790 | | Manufacturer Warranty Description | 3 Year Limited | | Material | Cast Iron | | Material Type | Cast Iron | | Model Number | CDU790 | | Power Source | Corded Electric | | Product Dimensions | 10.5"L x 9"W x 11"H | | Product Style | 1/3 HP Coated Steel Sump Pump | | Specific Uses For Product | water pumpping | | Style | 1/3 HP Coated Steel Sump Pump | | UPC | 040066100016 784644738467 783324962109 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | ## Product Details - **Brand:** Wayne - **Color:** Black - **Horsepower:** 0.3 Horsepower - **Item Weight:** 16.4 Pounds - **Material:** Cast Iron - **Maximum Flow Rate:** 63 Gallons Per Minute - **Power Source:** Corded Electric - **Product Dimensions:** 10.5"L x 9"W x 11"H - **Style:** 1/3 HP Coated Steel Sump Pump - **Voltage:** 120 Volts ## Images ![1/3 HP Epoxy Coated and Cast Iron Submersible Sump Pump - Image 1](https://m.media-amazon.com/images/I/61pJjqfsRrL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: 1) If I wanted to use a garden hose what kind of attatchment do you recommend?** A: You would have reduce the 1 1/2 cvp pipe down to about 3/4 then attach threaded cuplin to screw the hose on. Reducing it down, don't know if hurt the pump. **Q: This sump pump come with check valve ?** A: This pump does not come with a check valve. **Q: what kind of life would this pump have in a koi pond that runs 24/7 365. I have a savio skimmer. Had been using a dayton pump, but they are $$$.???** A: The CDU790 is a sump pump designed for residential, indoor, ground water only, sump pit applications. We would not recommend using any sump pump continuously or in a pond with aquatic life. Thank you. **Q: What type of water hose would be best for emptying a spa?** A: Thank you for contacting us with your question. This unit is not for spas or pools. This unit is only for removing ground or rain water from a basement sump. We could not advise on products to use with the unit if it is being used in an environment that it was not designed for and would void all warranties. I apologize for the inconvenience. Thank you again, Tina ## Frequently Bought Together - WAYNE CDU790 - 1/3 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - Up to 4,600 Gallons Per Hour - Heavy Duty Basement Sump Pump, Black - Wayne Pumps 66005-Wyn Check Valve, PVC - PumpSpy Sump Pump Stand, Durable Sump Pump Stand that Prevents Sediment Buildup and Clogging, Stand for Sump Pump for Flooding Prevention, Increases Sump Pump Life, Compatible with Most Sump Pumps --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/12472284-1-3-hp-epoxy-coated-and-cast-iron-submersible-sump](https://www.desertcart.sg/products/12472284-1-3-hp-epoxy-coated-and-cast-iron-submersible-sump) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-06*