Why it matters
The RPP50 is a 1/2 HP cast iron sewage pump with a piggyback tether float, so it can run automatically or be switched to manual. Wayne rates it at up to 6,200 GPH, with a 2 in NPT discharge that passes 2 in solids.
Wayne says it replaces most sewage pumps without plumbing changes, in basins 18 in or wider.
Who it's for, and who should skip it
Good fit if
- Replacing an ejector
- 18 in or larger basins
- Budget-minded owners
Look elsewhere if
- Clean-water sump pits (a sump pump is cheaper)
- Septic tanks unless the maker allows it
- DIY installs where code requires a plumber
- Narrow basins
Pros and cons
Pros
- Cast iron
- Piggyback float
- Low price
Cons
- One-year warranty
- Tether needs room
- Professional install usually
Limitations to weigh
- Sewage pumps need a sealed, vented basin, usually 18 in or wider; size the basin to the pump's switch range.
- Sewage and grinder installations usually need a licensed plumber and a sealed, vented basin to meet code.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Material | Cast Iron | Retailer |
|---|---|---|
| Dimensions (seller) | 9.5"L x 6"W x 14"H | Retailer |
| Product weight | 21 lb | Retailer |
| Max flow (maker) | 103 GPM | Retailer |
| Max head / lift (maker) | 10 ft | Retailer |
| Horsepower | 1/2 HP | Retailer |
| Model number | RPP50 | Retailer |
| Warranty | 1 Year Limited | Retailer |
Alternatives worth comparing
More sewage & effluent pumps we cover
- Red Lion 14942748 1/2 HP Cast Iron Sewage Pump $307.56
- Liberty Pumps LE51A Sewage Pump
- Blue Angel F50SW 1/2 HP Cast Iron Sewage Pump $489.94
- Flotec E75STVT 3/4 HP Professional Sewage Pump $603.90
All sewage & effluent pumps, compared in one table · Every Wayne product we cover
Final verdict
A low-cost, drop-in replacement ejector.
Where to buy
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