For a basement that floods hard and often, where an owner wants maximum flow with a 5 year warranty and an all cast iron build.
Amazon $432.16
For basements with a high water table or a deep pit where a 1/3 HP pump runs constantly. The cast iron build suits long, heavy duty cycles.
- 1/2 HPMotor
- 3,660 GPHFlow at 10 ft
- Vertical floatSwitch
- 3 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- About 3,700 gallons an hour at 10 ft keeps up with a pit that fills fast in heavy rain
- Heavy cast iron motor housing runs cool through long storms
- Mechanical float on the pump, so no cord to tangle in the pit
- Still pumps 25 GPM at 20 ft, enough for a deep basement
- At 36 lb it is heavy to lift out of the pit for service
- Its 9-1/2 in turn on level needs a deeper pit than most 1/3 HP pumps
- Only a 3 year warranty for the price
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 98-0001 |
|---|---|
| Pumping | |
| Motor | 1/2 HP |
| Type | Submersible |
| Flow at 10 ft | 3,660 GPH |
| Max lift | 23 ft |
| Discharge | 1.5 in |
| Running current | 9.4 A |
| Switch and build | |
| Switch | Vertical float |
| Cast iron housing | Yes |
| Alarm or monitoring | No |
| Wi-Fi | No |
| Cord length | 9 ft |
| Weight | 36 lb |
| Warranty | 3 years |
Alternatives in this size
For owners who are often away and want phone alerts and a 10 year warranty in one pump. Buyers who only need flow get the same pumping from the much cheaper CDU800.
Amazon $399.89For most basements that want 1/2 HP cast iron flow with a vertical float at a fair price.
Amazon $205.77Compare
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