For a narrow or shallow pit with a low lift, where a cheap pump with the motor out of the water is the easiest fix.
Amazon $105.84The Red Lion RL-SP33PED and the Zoeller M63 Premium are evenly matched, rated 3.1 and 3.0. The Red Lion RL-SP33PED leads on value. The Zoeller M63 Premium wins on warranty and build. The Red Lion RL-SP33PED costs $205.41 less ($105.84 vs $311.25).
For owners who want the longest lasting 1/3 HP class pump and are willing to pay for an all cast iron build and a 5 year warranty.
Amazon $311.25Prices 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.
Which should you buy?
- Choose the Red Lion RL-SP33PED for value ($51.88 per 1,000 GPH at 10 ft ($105.84, 2,040 GPH) vs $152.57 per 1,000 GPH at 10 ft ($311.25, 2,040 GPH)).
- Choose the Zoeller M63 Premium for warranty (5-year warranty vs 2-year warranty) and build (cast iron motor housing, switch fits a narrow pit vs switch fits a narrow pit).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/3 HP sump pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Red Lion RL-SP33PED | Zoeller M63 Premium |
|---|---|---|
| Overall rating | 3.1/5 | 3.0/5 |
| Value 30% | 78 $51.88 per 1,000 GPH at 10 ft ($105.84, 2,040 GPH) | 0 $152.57 per 1,000 GPH at 10 ft ($311.25, 2,040 GPH) |
| Flow 30% | 36 2,040 GPH at 10 ft | 36 2,040 GPH at 10 ft |
| Build 20% | 33 switch fits a narrow pit | 67 cast iron motor housing, switch fits a narrow pit |
| Warranty 20% | 25 2-year warranty | 100 5-year warranty |
Specifications
| Red Lion RL-SP33PED | Zoeller M63 Premium | |
|---|---|---|
| Pumping | ||
| Motor | 1/3 HP | 0.3 HP |
| Type | Pedestal | Submersible |
| Flow at 10 ft | 2,040 GPH | 2,040 GPH |
| Flow at 0 ft | 3,300 GPH | - |
| Max lift | 16 ft | 19.2 ft |
| Discharge | 1.25 in | 1.5 in |
| Running current | 4 A | 9.7 A |
| Switch and build | ||
| Switch | Vertical float | Vertical float |
| Cast iron housing | No | Yes |
| Alarm or monitoring | No | No |
| Wi-Fi | No | No |
| Cord length | 8 ft | 9 ft |
| Weight | - | 23 lb |
| Warranty | 2 years | 5 years |
