Generac T20-S
#2 in Up to 2 inFull review
A 2 in trash pump for muddy water with stones and sticks, with a long run time and a three-year warranty. For owners who deal with dirty flood water.
A.P. Electric $1,199$1,199
The Generac T20-S is the better gas water pump overall, rated 3.3 to 3.2. The Generac T20-S leads on warranty and flow. The Aceup Energy 2 in Semi-Trash Pump wins on value. The Aceup Energy 2 in Semi-Trash Pump costs $899.01 less ($299.99 vs $1,199).
Aceup Energy 2 in Semi-Trash Pump
#5 in Up to 2 inFull review
A budget 2 in semi-trash pump with hoses, for garden irrigation and pool draining.
Amazon $299.99$299.99
Prices 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 Generac T20-S for warranty (3-year warranty for home use vs 1-year warranty for home use) and flow (185 gpm maximum vs 158 gpm maximum).
- Choose the Aceup Energy 2 in Semi-Trash Pump for value ($1.90 per gpm ($299.99, 158 gpm) vs $6.48 per gpm ($1,199, 185 gpm)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 2 in gas water pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Generac T20-S | Aceup Energy 2 in Semi-Trash Pump |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Value 30% | 36 $6.48 per gpm ($1,199, 185 gpm) | 90 $1.90 per gpm ($299.99, 158 gpm) |
| Flow 15% | 71 185 gpm maximum | 48 158 gpm maximum |
| Head 10% | 63 98 ft maximum head | 58 95 ft maximum head |
| Solids 15% | 60 passes solids up to 1 in | 50 solids size not published (neutral score used) |
| Warranty 30% | 50 3-year warranty for home use | 0 1-year warranty for home use |
Specifications
| Generac T20-S | Aceup Energy 2 in Semi-Trash Pump | |
|---|---|---|
| Pumping | ||
| Type | Trash | Semi-trash |
| Ports | 2 in | 2 in |
| Maximum flow | 185 gpm | 158 gpm |
| Maximum head | 98 ft | 95 ft |
| Suction lift | 26 ft | 27 ft |
| Largest solids | 1 in | - |
| Engine and build | ||
| Engine | Generac G-Force, 211 cc | Aceup OHV, 208 cc |
| Fuel tank | 3 gal | - |
| Runtime on a tank | 5 hr | - |
| Weight | 109.1 lb | - |
| Warranty | 3 years | 1 year |