Description
Overview
The Grundfos 91134902 is a heavy-duty pump motor engineered for dependable performance in commercial and industrial hydronic systems. Rated at 3/4 horsepower and designed for three-phase power, this unit delivers the torque and efficiency that demanding HVAC and fluid-handling applications require.
Key Features
- 3/4 HP output for reliable pump-drive performance
- Dual-voltage rated: 230/460V for flexible electrical installation
- Three-phase power configuration for smooth, efficient operation
- NEMA 56C frame mounting for easy drop-in replacement and compatibility with standard pump flanges
- Grundfos-engineered quality for long service life and minimal maintenance
- Suitable for hydronic heating, cooling, and fluid-circulation applications
Electrical Specifications
- Horsepower: 3/4 HP
- Voltage: 230/460V
- Phase: 3-Phase
- Frame: NEMA 56C
Why Choose Grundfos?
Grundfos is a globally recognized leader in pump technology, trusted by HVAC professionals for precision engineering and consistent reliability. The 91134902 reflects that legacy — offering a robust motor solution that integrates seamlessly into existing hydronic and fluid-handling systems.
Applications
- Commercial hydronic heating and cooling systems
- Industrial fluid circulation
- HVAC pump replacement and upgrade projects
- Three-phase electrical systems requiring 230/460V dual-voltage motors







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