For a tight budget or a spare pump, where 1/2 HP flow matters more than a heavy cast iron body.
Amazon $124.95
For a deep basement or long discharge run where flow at 20 ft and beyond matters most.
- 1/2 HPMotor
- 3,420 GPHFlow at 10 ft
- Tethered floatSwitch
- 3 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- Keeps pumping hard at height: 47 GPM at 20 ft and 28 GPM at 30 ft
- Continuous duty cast iron build for commercial and heavy residential use
- Plastic base will not stain the floor if used for emergency pumping
- Three year warranty
- Expensive, the dearest pump here
- Hinged float needs a wider pit than a vertical float
- Heavy at 29 lb
The Little Giant EC-CIA-SFS family
Every Little Giant EC-CIA-SFS model we rank, smallest first. Ratings compare each against its own size.
| Model | Motor | Rating | Price |
|---|---|---|---|
| Little Giant 6EC-CIA-SFS | 1/3 HP | 3.6/5 | $220.50 |
| Little Giant 10EC-CIA-SFS (this one) | 1/2 HP | 2.6/5 | $379.99 |
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 | 10EC-CIA-SFS (510803) |
|---|---|
| Pumping | |
| Motor | 1/2 HP |
| Type | Submersible |
| Flow at 10 ft | 3,420 GPH |
| Max lift | 36 ft |
| Discharge | 1.5 in |
| Running current | 6.5 A |
| Switch and build | |
| Switch | Tethered float |
| Cast iron housing | Yes |
| Alarm or monitoring | No |
| Wi-Fi | No |
| Cord length | 10 ft |
| Weight | 29 lb |
| Warranty | 3 years |
Alternatives in this size
For a deep basement or a pit that fills fast, where a strong cast iron pump that fits a narrow pit is worth paying for.
Amazon $323.25For a standard pit that needs 1/2 HP lift on a budget.
Amazon $137.97Compare
Compare the Little Giant 10EC-CIA-SFS with any other sump pump →
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