SEAFLO 33 Series 115V
#10 in Fixed speedFull review
A tough, well warranted small pump for a cabin, shed or tiny home on a tank.
Amazon $89.99$89.99
The SEAFLO 33 Series 115V is the better water pressure booster pump overall, rated 3.2 to 2.7. The SEAFLO 33 Series 115V costs $8.51 less ($89.99 vs $98.50).
Shurflo 2088-594-154 115V
#14 in Fixed speedFull review
A reliable small pump for a cabin or single fixture on a tank. Not enough flow for a whole house.
Amazon $98.50$98.50
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.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every fixed speed water pressure booster pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | SEAFLO 33 Series 115V | Shurflo 2088-594-154 115V |
|---|---|---|
| Overall rating | 3.2/5 | 2.7/5 |
| Value 30% | 39 $27.27 per gpm ($89.99, 3.3 gpm) | 35 $29.85 per gpm ($98.50, 3.3 gpm) |
| Flow 15% | 0 3.3 gpm maximum | 0 3.3 gpm maximum |
| Pressure 15% | 37 104 ft maximum head (about 45 psi) | 37 104 ft maximum head (about 45 psi) |
| Protection 10% | 50 protection not stated (neutral score used) | 40 overheat protection |
| Noise 10% | 50 noise rating not published (neutral score used) | 50 noise rating not published (neutral score used) |
| Warranty 20% | 100 4-year warranty | 50 warranty not published (neutral score used) |
Specifications
| SEAFLO 33 Series 115V | Shurflo 2088-594-154 115V | |
|---|---|---|
| Pumping | ||
| Drive | Fixed speed | Fixed speed |
| Maximum flow | 3.3 gpm | 3.3 gpm |
| Maximum head | 104 ft (45 psi) | 104 ft (45 psi) |
| Ports | 0.5 in | 0.5 in |
| Protection and build | ||
| Built-in tank | No | No |
| Overheat protection | - | Yes |
| Voltage | 120 V | 120 V |
| Weight | 4.2 lb | - |
| Warranty | 4 years | - |