Will the CWS50 provide enough pressure and flow for a shallow-well household system?

discharge size. We selected it from the shallow-well jet pump options we reviewed because those two figures decide the fit most directly.

CWS50 horsepower alone does not guarantee usable flow

The CWS50 is a 1.00 hp convertible well jet pump, and that horsepower supports the motor side of the job; it does not tell you flow by itself. For this topic, the key checks are your suction lift, your pipe sizing, and your pressure tank, which stores water and smooths cycling. A shallow-well setup matters here because a pump can still miss usable pressure if the lift is too high or the plumbing adds too much restriction.

If you are still deciding on a model, you can view our comparison of the best convertible jet well pump options for your specific setup.

What to Check Before Buying the CWS50

• Measure your total lift from the water source to the pump. The CWS50 lists 90 ft of maximum head.
• Confirm your household plumbing and pressure tank can handle the pump’s output. Its stated flow is 408 gallons per hour at 50 psi.
• Check suction piping size before ordering. The listing gives a 1-1/4 in. NPT suction connection, and undersized pipe can add friction loss.
• Make sure your one-way valve setup is correct. A foot valve holds prime in the line; the listing does not state a required valve type.
• Verify the electrical circuit and breaker capacity for the 120V or 240V setup you already have. The listing does not state peak amperage draw.
• Confirm the discharge connection matches your existing plumbing. The outlet is 3/4 in. NPT.

Where the CWS50 Fits Among Shallow-Well Pump Options

The CWS50 sits in the group of budget-minded shallow-well pumps that suit a straightforward household system more than a deep-well job. Its 1.00 hp rating and 3/4 in. discharge point toward moderate-demand use, while the 90 ft head limit makes it a poor match for deeper sources or long lift runs. If you need higher lift, more margin for long pipe runs, or a setup that can tolerate more demand at the tap, you should keep looking at other pump types. If your well is shallow and your plumbing is already sized for a 3/4 in. outlet, this model stays relevant.

For those seeking energy efficiency, see how to select the best low-power well pump for an off-grid home.

When the CWS50 fits a shallow-well 30-50 psi system

Choose the CWS50 if your well is shallow, your piping matches the 1-1/4 in. suction and 3/4 in. discharge connections, and your pressure tank is sized for a 30-50 psi system. The rating sits at 4.2 from 320 buyers, which supports it as a real market signal, but the fit still comes down to head, flow, and your existing plumbing.

Reviewed by the Predicament Measures editorial team.