

Grundfos 97568305, CM3-G Series, Model CM 3-7
Product Overview
System downtime during the height of the growing season is a liability no contractor can afford. When a booster pump fails or a primary irrigation feed loses pressure, the resulting turf stress, crop loss, and client frustration create a logistical nightmare for your crew. Peak summer demand often coincides with strained supply chains; waiting on back-ordered equipment during a heatwave leads to failed inspections and lost service contracts. Securing the Grundfos CM3-G Series now ensures your projects stay on schedule, allowing you to deliver consistent water pressure before the seasonal rush bottlenecks your inventory. Planning ahead with reliable hardware represents the difference between a profitable season and one spent managing emergency repairs.
The Grundfos CM 3-7 offers a distinct technical advantage over standard centrifugal pumps through its compact, modular design and high-efficiency motor. By utilizing stainless steel internal components, this unit resists the internal corrosion and scaling that typically plague lower-grade cast iron alternatives, significantly reducing long-term maintenance costs and site visits. The high-pressure output relative to its footprint allows for easier integration into existing mechanical rooms or tight outdoor enclosures. Being well-stocked with this specific model gives your business a competitive edge, as you can provide immediate, high-performance solutions for demanding pressure boosting applications while others are stuck waiting for shipments.
Product Specifications
| Specification | Detail |
|---|---|
| Material | AISI 304 Stainless Steel (Sleeve/Impeller) |
| Stages | 7 Stages |
| Voltage | 208-230/460V Three Phase |
| Operating Pressure | Up to 145 PSI |
| Flow Rate | Nominal 13.2 GPM |
| Power Rating | Approx. 1.5 HP |
| Certifications | UL, CSA, CE Approved |
| Color/Finish | Grundfos Green/Natural Stainless |
Available Models & Sizes
The Grundfos CM series is available in several configurations ranging from 3 to 15 stages with varying flow capacities and motor phases. This specific CM 3-7 model is designed for mid-range pressure requirements; please contact our technical sales team for full configurations, flange options, or specialized pricing on bulk quantity orders.
Key Features
- Modular design allows for easy serviceability and parts replacement in the field.
- Stainless steel hydraulics ensure longevity and water purity in sensitive environments.
- Compact footprint facilitates installation in cramped pump houses or existing skids.
- Low noise operation makes it ideal for residential areas or noise-sensitive commercial sites.
- Advanced shaft seal technology prevents leaks and reduces mechanical wear over time.
- High efficiency motor ratings help lower the total cost of ownership for your clients.
Common Applications
- Commercial landscape irrigation
- Agricultural and crop irrigation
- Sports turf and golf course maintenance
- Municipal parks and public spaces
- Greenhouse and nursery operations
- Potable water supply systems
Installation Notes
Installation of the CM 3-7 requires a secure, level mounting surface to prevent vibration and ensure proper alignment with suction and discharge piping. Always use a pressure gauge on both sides of the pump to monitor performance during commissioning. Ensure all electrical connections comply with local codes and utilize a motor starter with over-current protection to prevent damage from power surges. It is recommended to install a foot valve if the pump is used in suction lift applications to maintain prime during off-cycles.
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