Red Lion RL-33SC
#2 in Up to 1/3 HPFull review
For a small pit with a real lift, where a compact cast iron pump with strong flow is worth a little more.
Amazon $203.84$203.84
The Red Lion RL-33SC rates 3.7 among up to 1/3 HP sump pumps; the Red Lion RL-SP50T rates 2.6 among 1/2 HP and up ones. The Red Lion RL-SP50T costs $65.87 less ($137.97 vs $203.84).
Red Lion RL-SP50T
#15 in 1/2 HP and upFull review
For a standard pit that needs 1/2 HP lift on a budget.
Amazon $137.97$137.97
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (up to 1/3 HP and 1/2 HP and up), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Red Lion RL-33SC | Red Lion RL-SP50T |
|---|---|---|
| Overall rating | 3.7/5 | 2.6/5 |
| Value 30% | 55 $67.95 per 1,000 GPH at 10 ft ($203.84, 3,000 GPH) | 79 $51.16 per 1,000 GPH at 10 ft ($137.97, 2,697 GPH) |
| Flow 30% | 100 3,000 GPH at 10 ft | 8 2,697 GPH at 10 ft |
| Build 20% | 33 cast iron motor housing | 0 none of the three |
| Warranty 20% | 50 3-year warranty | 25 2-year warranty |
Specifications
| Red Lion RL-33SC | Red Lion RL-SP50T | |
|---|---|---|
| Pumping | ||
| Motor | 1/3 HP | 1/2 HP |
| Type | Submersible | Submersible |
| Flow at 10 ft | 3,000 GPH | 2,697 GPH |
| Flow at 0 ft | 3,420 GPH | 3,523 GPH |
| Max lift | 28 ft | 26 ft |
| Discharge | 1.5 in | 1.5 in |
| Running current | 5 A | 6.5 A |
| Switch and build | ||
| Switch | Tethered float | Tethered float |
| Cast iron housing | Yes | No |
| Alarm or monitoring | No | No |
| Wi-Fi | No | No |
| Cord length | 10 ft | 8 ft |
| Warranty | 3 years | 2 years |