CrestWave 80PSI Booster Pump
A low cost all-in-one inverter booster for a home on city water or a storage tank. Check the protection features before leaving it unattended.
Amazon $299.99$299.99
3.4/5
An inline inverter booster with a stainless shell for tight spaces. The cheaper H600 PRO from the same maker outpumps it.
- 22 gpmFlow
- 150 ft (65 psi)Head
- Variable speedDrive
- 1 HPMotor
Check price at Amazon$399.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Holds a set pressure up to 90 psi for steady showers
- Slim stainless steel body fits an existing pipe run in tight spaces
- Phone app for pressure settings and fault codes
- Stops itself on dry running, leaks, blockage or overheating
Cons
- Costs more than the same maker’s H600 PRO, which has more flow and head
- Only a 1 year warranty
- The 30 dB noise figure is a maker claim
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its drive. How we rank explains each one.
Specifications
| Model number | K90S600L |
|---|---|
| Pumping | |
| Drive | Variable speed |
| Maximum flow | 22 gpm |
| Maximum head | 150 ft (65 psi) |
| Motor | 1 HP |
| Input power | 800 W |
| Ports | 1 in |
| Protection and build | |
| Dry-run protection | Yes |
| Overheat protection | Yes |
| Voltage | 120 V |
| Weight | 12 lb |
| Warranty | 1 year |
Alternatives in this drive
Aidpath EVO BOOST5
A strong, outdoor rated inverter booster for a larger home with weak pressure. The short warranty is the trade off for the price.
Amazon $521.88$521.88
Aquastrong Smart 45
An all-in-one inverter booster sold direct by Aquastrong for a house on weak city pressure. A cheaper alternative to a SCALA2 if you accept a louder pump.
Amazon $711$711
Compare
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