Grundfos 96807037, CM3-G Series, Model CM 3-3
Product Overview
System downtime during the height of the growing season is a liability no contractor can afford. When a primary booster pump fails, the resulting loss of pressure leads to localized dry spots, compromised turf health, and immediate client dissatisfaction. With global supply chain fluctuations and extended lead times for high-performance motors, waiting for a failure before ordering is a reactive strategy that puts your project deadlines at risk. Securing your Grundfos inventory now ensures that your crews can perform essential maintenance and replacements without the delays associated with peak season back-orders. Proactive procurement protects your reputation and keeps your irrigation schedules intact through the most demanding summer heat.
The Grundfos CM3-3 centrifugal pump offers a distinct technical advantage over standard cast iron models through its compact, modular design and superior hydraulic efficiency. This G-Series model is engineered for quiet operation and long-life reliability, significantly reducing the frequency of service calls and long-term maintenance costs for your clients. By installing a pump built with high-grade stainless steel internals, you provide a more robust solution that handles varying water temperatures and pressures more effectively than lower-grade alternatives. Stocking these units allows your business to offer immediate, professional-grade replacements that outperform common retail-grade pumps and reinforce your position as a premium service provider.
Product Specifications
| Specification | Detail |
|---|---|
| Model Number | CM 3-3 (96807037) |
| Material (Wetted Parts) | Stainless Steel / DIN 1.4301 |
| Pump Type | Horizontal Multistage Centrifugal |
| Voltage Configuration | Standard Three-Phase or Single-Phase options |
| Number of Impellers | 3 |
| Max Pressure Rating | 145 PSI (10 Bar) |
| Temperature Range | -4°F to 194°F (-20°C to 90°C) |
| Inlet/Outlet Size | 1.25 inch NPT / 1 inch NPT |
| Color/Finish | Grundfos Black and Silver Metallic |
Available Models & Sizes
The CM3-G series is available in several configurations including the CM 3-2, CM 3-4, and CM 3-5 variants to meet specific head and flow requirements. Please contact our technical sales team for full configuration details, current bulk pricing, or to confirm the specific electrical phase requirements for your current job site.
Key Features
- High-grade stainless steel construction ensures resistance to corrosion in diverse water conditions.
- Compact modular design simplifies integration into existing pump skids or tight mechanical rooms.
- Mechanically balanced shaft seal reduces friction and extends the service life of the motor.
- Lower noise levels allow for installation in residential areas without the need for additional sound dampening.
- High hydraulic efficiency lowers the total energy consumption for your clients over time.
- Direct-coupled motor design eliminates the need for complex internal alignments during field service.
Common Applications
- Commercial landscape irrigation for retail and office complexes.
- Residential lawn and garden systems requiring consistent pressure boosting.
- Agricultural and crop irrigation for high-value nursery stock.
- Municipal parks and public spaces requiring reliable water delivery.
- Greenhouse and nursery operations for precision misting and overhead watering.
- Potable water supply systems for distributed facility networks.
Installation Notes
Installation of the Grundfos CM3-3 requires standard plumbing tools and specialized knowledge of electrical motor wiring. Ensure that the pump is mounted on a level, vibration-dampening base to maintain optimal operation. It is recommended to install isolation valves on both the suction and discharge sides to facilitate future maintenance without draining the entire system. All electrical work must comply with local building codes, and contractors should verify that the supply voltage matches the motor nameplate before commissioning. Priming the pump prior to start-up is essential to prevent seal damage due to dry running.
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