Fill-Rite NX25 115V 25 GPM
#1 in 115V ACFull review
The best mains pump for a busy fixed tank: continuous duty, fastest flow and Fill-Rite’s lifetime backing. Add a meter later if you need one.
Amazon $1,199.99$1,199.99
The Fill-Rite NX25 115V 25 GPM rates 4.2 among 115V AC fuel transfer pumps; the GPI G20 12V 20 GPM with Filter rates 3.9 among 12V DC ones. The GPI G20 12V 20 GPM with Filter costs $360 less ($839.99 vs $1,199.99).
GPI G20 12V 20 GPM with Filter
#3 in 12V DCFull review
The most complete 12V diesel kit short of continuous duty: filter, auto nozzle and long hose. Worth it for anyone fueling common-rail diesel equipment from a field tank.
Amazon $839.99$839.99
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different power classes (115V AC and 12V DC), and each is scored against the reference points for its own class, so a rating says how well each does among its own power peers. How we rank explains each factor.
| Factor weight | Fill-Rite NX25 115V 25 GPM | GPI G20 12V 20 GPM with Filter |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Price 20% | 14 $1,199.99 | 29 $839.99 |
| Flow 25% | 100 25 gpm | 75 20 gpm |
| Duty cycle 15% | 100 continuous duty | 50 30 min on, then rest |
| Safety listing 15% | 100 UL listed, explosion-proof motor | 100 UL listed, explosion-proof motor |
| Kit 10% | 45 auto nozzle, 18 ft hose | 68 auto nozzle, filter, suction pipe, 14 ft hose |
| Warranty 15% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| Fill-Rite NX25 115V 25 GPM | GPI G20 12V 20 GPM with Filter | |
|---|---|---|
| Pump | ||
| Power | 115V AC | 12V DC |
| Flow | 25 gpm | 20 gpm |
| Duty cycle | Continuous | 30 min on |
| Current | 3.5 A | 34 A |
| Max pressure | 25 psi | 12 psi |
| Max head | 48 ft | 15 ft |
| Suction lift | 12 ft | - |
| Mount | Bung | Bung |
| Safety | ||
| UL listed | Yes | Yes |
| Explosion-proof motor | Yes | Yes |
| Gasoline approved | Yes | Yes |
| In the box | ||
| Meter | No | No |
| Nozzle | Automatic | Automatic |
| Hose | 18 ft | 14 ft |
| Filter | No | Yes |
| Suction pipe | - | Yes |
| Power cable | - | 18 ft |
| Build | ||
| Weight | 44 lb | 19 lb |
| Warranty | Limited lifetime | Limited lifetime |