Wayne SPF50
#9 in 1/2 HP and upFull review
A cheap way to get 1/2 HP flow in a light pump. Buyers who want a longer warranty should pay a little more for the Wayne CDU800.
Amazon $145.75$145.75
The Wayne SPF50 is the better sump pump overall, rated 3.1 to 2.9. The Wayne SPF50 leads on value. The Liberty Pumps 287 wins on warranty and build. The Wayne SPF50 costs $177.50 less ($145.75 vs $323.25).
Liberty Pumps 287
#13 in 1/2 HP and upFull review
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$323.25
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.
Which should you buy?
- Choose the Wayne SPF50 for value ($43.38 per 1,000 GPH at 10 ft ($145.75, 3,360 GPH) vs $97.95 per 1,000 GPH at 10 ft ($323.25, 3,300 GPH)).
- Choose the Liberty Pumps 287 for warranty (3-year warranty vs 1-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 1/2 HP and up sump pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Wayne SPF50 | Liberty Pumps 287 |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 30% | 93 $43.38 per 1,000 GPH at 10 ft ($145.75, 3,360 GPH) | 24 $97.95 per 1,000 GPH at 10 ft ($323.25, 3,300 GPH) |
| Flow 30% | 34 3,360 GPH at 10 ft | 32 3,300 GPH at 10 ft |
| Build 20% | 33 switch fits a narrow pit | 67 cast iron motor housing, switch fits a narrow pit |
| Warranty 20% | 0 1-year warranty | 50 3-year warranty |
Specifications
| Wayne SPF50 | Liberty Pumps 287 | |
|---|---|---|
| Pumping | ||
| Motor | 1/2 HP | 1/2 HP |
| Type | Submersible | Submersible |
| Flow at 10 ft | 3,360 GPH | 3,300 GPH |
| Flow at 0 ft | 4,300 GPH | 4,140 GPH |
| Max lift | 21 ft | 39 ft |
| Discharge | 1.5 in | 1.5 in |
| Running current | - | 8 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 | 10 ft |
| Weight | 12 lb | 29 lb |
| Warranty | 1 year | 3 years |