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 $323.25
For a standard pit that needs 1/2 HP lift on a budget.
- 1/2 HPMotor
- 2,697 GPHFlow at 10 ft
- Tethered floatSwitch
- 2 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- 1/2 HP flow, about 2,700 gallons an hour at 10 ft, for under $140
- Long pump cycles from the tethered float mean fewer starts
- Includes a 1-1/4 in adapter to replace a pedestal pump
- Light and corrosion resistant
- Tethered float needs a 14 in or wider pit
- Aluminum and plastic build, 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 | 1/3 HP | 3.4/5 | $114.99 |
| Red Lion RL-SP50T (this one) | 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-SP50T (14942742) |
|---|---|
| Pumping | |
| Motor | 1/2 HP |
| Type | Submersible |
| Flow at 10 ft | 2,697 GPH |
| Flow at 0 ft | 3,523 GPH |
| Max lift | 26 ft |
| Discharge | 1.5 in |
| Running current | 6.5 A |
| Switch and build | |
| Switch | Tethered float |
| Cast iron housing | No |
| Alarm or monitoring | No |
| Wi-Fi | No |
| Cord length | 8 ft |
| Warranty | 2 years |
Alternatives in this size
For a deep basement or long discharge run where flow at 20 ft and beyond matters most.
Amazon $379.99For a budget 1/2 HP pump in a standard pit, if a short warranty is acceptable.
Amazon $154.80Compare
Compare the Red Lion RL-SP50T with any other sump pump →
More from Red Lion: every Red Lion product ranked.