For a basement with a higher lift where a 1/3 HP pump with near 1/2 HP flow and a cast iron body is wanted.
Amazon $220.50
For a narrow pit on a budget, where a light pump with good flow and a vertical float does the job.
- 1/3 HPMotor
- 2,366 GPHFlow at 10 ft
- Vertical floatSwitch
- 2 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- Strong flow for the money: about 2,370 gallons an hour at 10 ft for about $115
- Vertical float fits a pit as narrow as 11 in
- Comes with a 1-1/4 in adapter to swap in for an old pedestal pump
- Light and corrosion resistant
- Aluminum and plastic build will not last like cast iron
- Short 8 ft cord and a 2 year warranty
The Red Lion RL-SP family
Every Red Lion RL-SP model we rank, smallest first. Ratings compare each against its own size.
| Model | Motor | Rating | Price |
|---|---|---|---|
| Red Lion RL-SP33V (this one) | 1/3 HP | 3.4/5 | $114.99 |
| Red Lion RL-SP50T | 1/2 HP | 2.6/5 | $137.97 |
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 | RL-SP33V (14942741) |
|---|---|
| Pumping | |
| Motor | 1/3 HP |
| Type | Submersible |
| Flow at 10 ft | 2,366 GPH |
| Flow at 0 ft | 3,137 GPH |
| Max lift | 26 ft |
| Discharge | 1.5 in |
| Running current | 4.4 A |
| Switch and build | |
| Switch | Vertical float |
| Cast iron housing | No |
| Alarm or monitoring | No |
| Wi-Fi | No |
| Cord length | 8 ft |
| Warranty | 2 years |
Alternatives in this size
A light, low cost pump for a shallow basement with modest water. The 1 year warranty makes it a budget pick rather than a long term one.
Amazon $128.20For a standard or wide pit where a well priced cast iron 1/3 HP pump with good flow is wanted.
Amazon $182Compare
Compare the Red Lion RL-SP33V with any other sump pump →
More from Red Lion: every Red Lion product ranked.