Grundfos 99155404, CM3-G Series, Model CM 3-5
Product Overview
A pump failure during peak irrigation season is more than a technical glitch; it is a threat to your reputation and your client's bottom line. When a booster pump fails, systems lose pressure, turf begins to brown, and expensive landscaping is put at immediate risk. With global supply chains remaining unpredictable, waiting until a unit seizes can lead to weeks of back-ordered downtime and missed project deadlines. Securing the Grundfos CM3-5 now ensures your crews can maintain momentum and provide immediate relief when an emergency replacement is required, keeping your clients satisfied and your schedule intact.
The Grundfos CM3-5 centrifugal pump offers a distinct technical advantage over vertical multistage units in tight footprints. Its compact, horizontal design allows for easier integration into existing skid packages and enclosures while providing the high pressure required for multi zone systems. By utilizing high grade stainless steel internals, this pump minimizes long term maintenance costs and avoids the frequent seal failures common in lower grade cast iron alternatives. Staying well stocked with these units gives you a significant competitive edge, allowing your company to offer same day solutions while others are still waiting on freight shipments.
Product Specifications
| Specification | Detail |
|---|---|
| Material | High Grade Stainless Steel (EN 1.4301/AISI 304) |
| Model Number | CM 3-5 (99155404) |
| Stages | 5 Impellers |
| Nominal Flow Rate | 3 Cubic Meters per Hour |
| Maximum Operating Pressure | 145 PSI (10 Bar) |
| Power Supply | Three Phase / Single Phase (Model Dependent) |
| Port Connections | Threaded NPT |
| Color/Finish | Natural Stainless / Grundfos Black |
Available Models & Sizes
The CM Series spans various flow ranges and motor configurations from the CM1 to the CM25. Please contact our sales team for full configurations regarding voltage options, seal materials, and specific performance curves to match your system requirements.
Key Features
- Compact horizontal design allows for installation in space constrained utility rooms or small enclosures.
- Corrosion resistant stainless steel liquid end ensures longevity in diverse water quality conditions.
- Specially designed mechanical shaft seal reduces the risk of leakage and extends service intervals.
- Direct coupled motor and pump assembly eliminates the need for field alignment during installation.
- Low noise operation makes this unit ideal for residential booster applications near living areas.
- Modular design simplifies the replacement of individual components without discarding the entire unit.
Common Applications
- Commercial landscape irrigation
- Residential lawn and garden systems
- Sports turf and golf course maintenance
- Municipal parks and public spaces
- Greenhouse and nursery operations
- Potable water supply systems
Installation Notes
The Grundfos CM3-5 requires a stable, level foundation to prevent vibration and ensure proper motor cooling. Ensure that the suction line is airtight and installed with a slight upward slope toward the pump to prevent air pockets. Installers must follow local plumbing and electrical codes, particularly regarding circuit protection and grounding. We recommend installing isolation valves on both the suction and discharge sides to facilitate future maintenance without draining the entire system.
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