Pentair 1.0 HP [4.9A-4.5A] [1S] WhisperFlo Pool Pump is a Pentair WhisperFlo pool pump for compatible circulation systems requiring the 1.0 HP configuration shown in the product title. WhisperFlo pumps are used to move water through the pool’s filter, heater, cleaner, chlorination, and return plumbing, so selecting the correct horsepower, voltage/phase requirements, and plumbing fit is important before replacement. This pump can be used when the existing unit is worn, noisy, leaking, underperforming, or being replaced as part of an equipment pad repair. Review the electrical specifications, including 4.9A-4.5A, 1S, and compare them to the current installation before ordering. Proper sizing helps maintain efficient flow without overloading plumbing or connected equipment. 1.0 HP Pentair WhisperFlo pool pump for compatible circulation systems Electrical details listed as 4.9A-4.5A, 1S for confirmation before purchase Supports water movement through filtration, heating, sanitizing, and return lines Useful when replacing a worn, leaking, noisy, or inefficient pool pump Verify plumbing, voltage, phase, and part number 11641 before installation
![Pentair 1.0 HP [4.9A-4.5A] [1S] WhisperFlo Pool Pump (11641)](https://cdn.shopify.com/s/files/1/1751/9347/files/34-102-1406_XL.jpg?v=1718769208&width=480)
