For the cheapest cast iron replacement where the lift to the sewer is short. A longer lift calls for a stronger 1/2 HP pump.
Amazon $192.52The Wayne RPP50 is the better sewage ejector pump overall, rated 2.5 to 1.9. The Wayne RPP50 leads on build, value and flow. The Wayne RPP50 costs $2.88 less ($192.52 vs $195.40).
For a light duty basin with a very short lift on a tight budget. Most homes are better served by a cast iron 1/2 HP pump.
Amazon $195.40Prices were last checked November 2, 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 RPP50 for build (cast iron motor housing and volute vs plastic or composite housing), value ($3.57 per gpm ($192.52, 54 gpm at 10 ft) vs $4.60 per gpm ($195.40, 42.5 gpm at 10 ft)) and flow (54 gpm at 10 ft vs 42.5 gpm at 10 ft).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/2 HP sewage ejector pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Wayne RPP50 | Flotec FPSE3200A |
|---|---|---|
| Overall rating | 2.5/5 | 1.9/5 |
| Value 30% | 54 $3.57 per gpm ($192.52, 54 gpm at 10 ft) | 34 $4.60 per gpm ($195.40, 42.5 gpm at 10 ft) |
| Flow 20% | 18 54 gpm at 10 ft | 3 42.5 gpm at 10 ft |
| Lift 15% | 0 no flow at 20 ft | 0 no flow at 20 ft |
| Build 10% | 100 cast iron motor housing and volute | 0 plastic or composite housing |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Wayne RPP50 | Flotec FPSE3200A | |
|---|---|---|
| Pumping | ||
| Motor | 1/2 HP | 4/10 HP |
| Flow at 10 ft | 54 gpm | 42.5 gpm |
| Shutoff head | - | 18 ft |
| Solids | 2 in | 2 in |
| Discharge | 2 in | 2 in |
| Switch | Piggyback | Piggyback |
| Build | ||
| Cast iron | Yes | No |
| Voltage | 115 V | 115 V |
| Current | - | 8.5 A |
| Cord | 8 ft | 8 ft |
| Weight | 26 lb | 12 lb |
| Warranty | 1 year | 1 year |
