Description
The Grundfos 99916781 is a heavy-duty, 1 horsepower, three-phase circulator pump engineered for demanding commercial and industrial hydronic heating and cooling applications. Designed to deliver consistent, reliable fluid circulation, this pump is built to Grundfos’ exacting standards of quality and efficiency.
Electrical Specifications
- Voltage: 208-230/460V
- Phase: 3-Phase
- Horsepower: 1 HP
Key Features
- Three-phase motor for smooth, efficient operation in commercial environments
- Dual-voltage capability (208-230/460V) for flexible installation across a variety of electrical systems
- Robust Grundfos construction for long service life and minimal maintenance
- Ideal for hydronic heating, chilled water, and closed-loop circulation systems
- Engineered for high-performance fluid handling in HVAC and building services applications
Why Choose Grundfos?
Grundfos is a world leader in pump manufacturing, known for innovative engineering, energy efficiency, and reliability. The 99916781 carries on that tradition, offering contractors and engineers a dependable solution for commercial hydronic systems. Its three-phase design ensures smooth, vibration-reduced operation, making it well-suited for continuous-duty installations.
Applications
- Commercial hydronic heating systems
- Chilled water circulation
- Closed-loop HVAC systems
- Industrial fluid transfer
- Building mechanical rooms







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