354803S | Pentair WhisperFlo 3/4HP Single Speed TEFC Motor | 56Y

The Pentair 354803S WhisperFlo Motor delivers reliable, high-performance pool circulation with its ¾ HP, 1SP, 1PH, single-speed, totally enclosed fan-cooled (TEFC) design. Built within a robust 56Y square-flange frame and offered in classic almond tones, this motor fits directly into WhisperFlo and SuperFlo pump systems for seamless OEM replacement. Compatible with both 115V and 208–230V power supplies and driven by durable, sealed components, it ensures quiet operation, longevity, and minimal maintenance—ideal for year-round pool performance.

Highlights

• Consistent ¾ HP Single-Speed Power: Delivers steady and dependable circulation for residential pools with its 0.75 HP output and consistent performance at a single operating speed—designed for simplicity and reliability.

• Robust TEFC Enclosure: Totally enclosed fan-cooled casing protects internal mechanisms from debris and moisture, enhancing longevity—perfect for exposed or damp environments.

• Universal Voltage Compatibility: Supports common pool-side electrical setups with both 115 V and 208–230 V connections, reducing compatibility issues during installation.

• Durable 56Y Square-Flange Design: Standard 56Y square-flange frame allows for direct OEM-style swaps, ensuring a precise fit and straightforward installation in WhisperFlo and SuperFlo pumps.

• Quiet, Maintenance-Free Operation: Sealed bearings and TEFC construction deliver whisper-quiet performance and avoid the need for lubrication—ideal for hassle-free, long-term use.

Compatibility

• Pentair SuperFlo Pumps
• Pentair WhisperFlo Pumps

Additional Info

Need help with the Pentair 354803S WhisperFlo Motor for WhisperFlo and SuperFlo pumps? This section explains installation, compatibility, and troubleshooting, with guidance for confirming details when buying in store.

Installing the 354803S WhisperFlo Motor

This ¾ HP motor is built with a 56Y square-flange frame for direct mounting into WhisperFlo and SuperFlo pumps. Proper wiring and sealing ensure smooth operation.

How do I install the Pentair 354803S motor into my WhisperFlo pump?

Why won’t the 354803S motor align with my pump housing?

Can I buy the 354803S motor directly in store for quick replacement?

Do I need new bolts or seals when swapping this motor?

Confirming Model Compatibility

The 354803S is designed for WhisperFlo and SuperFlo pump systems. Verifying your pump label ensures the correct 56Y square-flange motor replacement.

Will the 354803S motor fit both WhisperFlo and SuperFlo pumps?

How do I confirm in store if my pump requires this OEM motor?

Can I bring my old motor to the store for staff to compare?

Does the 354803S work with both 115V and 230V setups?

Troubleshooting Performance Problems

If the pump won’t start, overheats, or makes unusual noise, replacing the motor may be required. The 354803S restores reliable circulation.

Why does my WhisperFlo pump hum but not start with this motor?

What should I do if the 354803S runs hot during operation?

Can wiring mistakes cause failure with the 354803S motor?

Can staff verify proper fit before I purchase in store?