Wayne CDU1000
#2 in 1/2 HP and upFull review
For a basement with a very high water table or a long, high discharge run. Most homes will be better served by a 1/2 HP pump.
Amazon $254.99$254.99
The Wayne CDU1000 is the better sump pump overall, rated 4.3 to 3.5. The Wayne CDU1000 leads on value and flow. The Zoeller M95 Premium wins on build. The Wayne CDU1000 costs $177.17 less ($254.99 vs $432.16).
Zoeller M95 Premium
#5 in 1/2 HP and upFull review
For a basement that floods hard and often, where an owner wants maximum flow with a 5 year warranty and an all cast iron build.
Amazon $432.16$432.16
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 CDU1000 for value ($50 per 1,000 GPH at 10 ft ($254.99, 5,100 GPH) vs $108.04 per 1,000 GPH at 10 ft ($432.16, 4,000 GPH)) and flow (5,100 GPH at 10 ft vs 4,000 GPH at 10 ft).
- Choose the Zoeller M95 Premium for 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 CDU1000 | Zoeller M95 Premium |
|---|---|---|
| Overall rating | 4.3/5 | 3.5/5 |
| Value 30% | 81 $50 per 1,000 GPH at 10 ft ($254.99, 5,100 GPH) | 16 $108.04 per 1,000 GPH at 10 ft ($432.16, 4,000 GPH) |
| Flow 30% | 100 5,100 GPH at 10 ft | 60 4,000 GPH at 10 ft |
| Build 20% | 33 switch fits a narrow pit | 67 cast iron motor housing, switch fits a narrow pit |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Wayne CDU1000 | Zoeller M95 Premium | |
|---|---|---|
| Pumping | ||
| Motor | 1 HP | 1/2 HP |
| Type | Submersible | Submersible |
| Flow at 10 ft | 5,100 GPH | 4,000 GPH |
| Flow at 0 ft | 6,100 GPH | - |
| Max lift | - | 26 ft |
| Discharge | 1.5 in | 1.5 in |
| Running current | - | 10.5 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 | 15 ft |
| Weight | 22 lb | 38 lb |
| Warranty | 5 years | 5 years |