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
The Liberty Pumps 287 is the better sump pump overall, rated 2.9 to 2.5. The Liberty Pumps 287 leads on build, warranty and flow. The Flotec FPZS50T wins on value. The Flotec FPZS50T costs $168.45 less ($154.80 vs $323.25).
Flotec FPZS50T
#16 in 1/2 HP and upFull review
For a budget 1/2 HP pump in a standard pit, if a short warranty is acceptable.
Amazon $154.80$154.80
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 Liberty Pumps 287 for build (cast iron motor housing, switch fits a narrow pit vs none of the three), warranty (3-year warranty vs 1-year warranty) and flow (3,300 GPH at 10 ft vs 3,000 GPH at 10 ft).
- Choose the Flotec FPZS50T for value ($51.60 per 1,000 GPH at 10 ft ($154.80, 3,000 GPH) vs $97.95 per 1,000 GPH at 10 ft ($323.25, 3,300 GPH)).
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 | Liberty Pumps 287 | Flotec FPZS50T |
|---|---|---|
| Overall rating | 2.9/5 | 2.5/5 |
| Value 30% | 24 $97.95 per 1,000 GPH at 10 ft ($323.25, 3,300 GPH) | 78 $51.60 per 1,000 GPH at 10 ft ($154.80, 3,000 GPH) |
| Flow 30% | 32 3,300 GPH at 10 ft | 20 3,000 GPH at 10 ft |
| Build 20% | 67 cast iron motor housing, switch fits a narrow pit | 0 none of the three |
| Warranty 20% | 50 3-year warranty | 0 1-year warranty |
Specifications
| Liberty Pumps 287 | Flotec FPZS50T | |
|---|---|---|
| Pumping | ||
| Motor | 1/2 HP | 1/2 HP |
| Type | Submersible | Submersible |
| Flow at 10 ft | 3,300 GPH | 3,000 GPH |
| Flow at 0 ft | 4,140 GPH | 4,200 GPH |
| Max lift | 39 ft | 22 ft |
| Discharge | 1.5 in | 1.5 in |
| Running current | 8 A | 4.1 A |
| Switch and build | ||
| Switch | Vertical float | Tethered float |
| Cast iron housing | Yes | No |
| Alarm or monitoring | No | No |
| Wi-Fi | No | No |
| Cord length | 10 ft | 8 ft |
| Weight | 29 lb | - |
| Warranty | 3 years | 1 year |