Description

Century® (A.O. Smith) 4.0 HP Uprated Motor – B116

Round Flange

Y56Y Frame

Single Speed

Key Benefits

• OEM Replacement — Genuine Century® motor designed for high-horsepower pool spa pumps

• Powerful Performance — 4.0 HP uprated motor delivers strong water flow for demanding systems

• Durable Build — Ball bearings, stainless-steel shaft, and thermal overload protection extend lifespan

• Direct Fit — Round flange, Y56Y frame ensures proper fit with compatible pumps

Why Choose the Century® B116?

• Restores pump efficiency and performance in heavy-duty pool spa applications

• Built with reliable A.O. Smith engineering for long service life

• Single-speed design for consistent, dependable output

Tech Tips

• ⚠️ Replace the pump shaft seal whenever installing a new motor to prevent leaks

• Verify wiring voltage before hookup (motor supports both 230V/115V depending on configuration)

• ⚠️ Use proper bonding/grounding to comply with electrical codes

• Mount motor securely on flat surface to reduce vibration and noise

Compatibility

• Designed for pumps requiring a 4.0 HP uprated, round flange, Y56Y frame motor

• ❌ Not compatible with square flange pumps (use the correct model for 56Y square flange frames)

Specifications

• Model: B116

• Horsepower: 4.0 HP (Uprated)

• Frame: Y56Y (Round Flange)

• Speed: Single Speed, 3450 RPM

• Voltage: 230V (check motor label for exact wiring requirements)

• Enclosure: Open Drip Proof (ODP)

• Rotation: CCWPE (Counter-Clockwise Pump End)

What’s Included

• Century® B116 Motor (4.0 HP, Uprated)

• ❌ Pump seal (sold separately, required for installation)

• ❌ Pump housing (reuse existing pump body)

⚠️ Note: This is a high-horsepower motor. Ensure your pump, plumbing, and electrical service are properly rated for 4.0 HP operation.

Motor Dimensions