Wassermann WASBPGT55
A mid priced inverter booster with a longer warranty than its rivals, for a home on weak city pressure.
Amazon $360.08$360.08
The Wassermann WASBPGT55 is the better water pressure booster pump overall, rated 3.9 to 3.8. The Wassermann WASBPGT55 leads on warranty and pressure. The GWANZI H600 PRO costs $60.09 less ($299.99 vs $360.08).
GWANZI H600 PRO
A cheap, compact inverter booster for a home on weak city pressure that wants app control. Expect a short warranty.
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 Wassermann WASBPGT55 for warranty (2-year warranty vs 1-year warranty) and pressure (180 ft maximum head (about 78 psi) vs 170 ft maximum head (about 74 psi)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every variable speed water pressure booster pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Wassermann WASBPGT55 | GWANZI H600 PRO |
|---|---|---|
| Overall rating | 3.9/5 | 3.8/5 |
| Value 30% | 69 $14.88 per gpm ($360.08, 24.2 gpm) | 80 $12 per gpm ($299.99, 25 gpm) |
| Flow 15% | 74 24.2 gpm maximum | 77 25 gpm maximum |
| Pressure 15% | 100 180 ft maximum head (about 78 psi) | 92 170 ft maximum head (about 74 psi) |
| Protection 10% | 50 protection not stated (neutral score used) | 100 dry-run and overheat protection |
| Noise 10% | 80 50 dBA | 50 noise rating not published (neutral score used) |
| Warranty 20% | 50 2-year warranty | 0 1-year warranty |
Specifications
| Wassermann WASBPGT55 | GWANZI H600 PRO | |
|---|---|---|
| Pumping | ||
| Drive | Variable speed | Variable speed |
| Maximum flow | 24.2 gpm | 25 gpm |
| Maximum head | 180 ft (78 psi) | 170 ft (74 psi) |
| Motor | 1 HP | 1.2 HP |
| Input power | - | 900 W |
| Ports | - | 1 in |
| Protection and build | ||
| Dry-run protection | - | Yes |
| Overheat protection | - | Yes |
| Voltage | 120 V | 120 V |
| Noise | 50 dBA | - |
| Weight | 18.8 lb | 12 lb |
| Warranty | 2 years | 1 year |