Pentair WhisperFlo 3 HP Power End Subassembly WF-12 | SKU 075256

Pentair WhisperFlo 3 HP Power End Subassembly WF-12 | SKU 075256

Genuine Pentair WhisperFlo 075256 Power End Subassembly for WF-12 pump. 3 HP full-rated single-speed motor with NEMA Premium® efficiency.

Features

• Full power-end components (items #12-18, 27-28) for complete rebuild integrity.
• 3 HP full-rated PSC motor built to NEMA Premium® efficiency standards for reduced energy costs.
• Specifically designed for WhisperFlo WF-12 model ― direct fit replacement.
• Sealed bearings and heavy duty motor frame reduce vibration and extend lifespan.
• Built for high flow and stable performance in large pool or high-use applications.

Description

This power end subassembly (SKU: 075256) restores the heart of your WF-12 WhisperFlo pump. By replacing the motor power end—including all internal moving parts—you regain factory flow rates, steady head pressure, and longer service life. The NEMA Premium full-rated motor ensures better efficiency and lower running cost. Designed for heavy duty and continuous operation, this unit helps pools maintain performance under tough conditions.

Pro Tip

Replace the mechanical shaft seal and the seal plate O-ring at the same time to avoid leaks and failures. Match voltages and phase exactly. Use the Seal Plate Kit 071316S for WF-12 models for full sealing overhaul.

Related Parts

• Fluid End Assembly WF-12 | 075456

Installation Tips

Always cut power at the breaker before servicing. Confirm your pump is WF-12 model and that voltage & phase match. Use genuine Pentair parts to maintain safety standards and warranty. Ensure alignment between motor power end and fluid end to prevent seal or bearing damage.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.